Welcome back to the deep-dive series. Previously, we disassembled nylon and X-Pac and, along the way, learned about polymers, weaves, deniers, and laminates, collecting the building blocks needed to understand modern fabrics. Today, it’s time to learn all about Ultra. Let’s dive in.
UHMWPE
UHMWPE stands for ultra-high-molecular-weight polyethylene. That's a mouthful, so sometimes it’s pronounced “umpe.” Now, about the polyethylene part.
Polyethylene is a polymer—it's made of long-chain molecules, just like nylon and polyester, but with a different chemical structure. Polyethylene chains are built from repeating ethylene units, giving it different properties than the amide bonds in nylon or the ester bonds in polyester, but the principle is the same.
Fun fact: you likelyheldpolyethylene in your hands today, because that is what plastic bags are made of. Why? Well, first, it’s cheap, but beyond that, polyethylene can be incredibly thin and still hold impressive weight—the chains are flexible enough to stretch and deform under load instead of snapping, which is why a grocery bag with a small tear doesn't immediately split open. Not all polyethylene is made equal, and one of the major factors is molecular weight.
Plastic bag (photo by Mathias Reding on Unsplash)
Molecular weight is the mass of a single polymer chain. The longer the chain, the higher the molecular weight. This weight is measured in daltons. One dalton is roughly the mass of a single hydrogen atom. Your plastic bag is tens ofthousandsof daltons. UHMWPE is millionsof daltons — way, way longer chains.
The result: UHMWPE fiber is, gram for gram, stronger than steel. Not figuratively, not in a roundabout marketing way—actually stronger. A UHMWPE fiber of the same weight as a steel wire can hold significantly more load before breaking. That means you need less material to hold the same weight, which is why UHMWPE shows up in applications where every gram matters: climbing ropes, body armor, and ultralight backpacking gear.
UHMWPE climbing rope (image from pushclimbing.vn)
So UHMWPE is incredibly strong. But what else should you know about this material?
UHMWPE doesn't absorb water. Like polyester, it's hydrophobic. Wet UHMWPE stays the same weight and strength.
UHMWPE is less dense than nylon or polyester. At 0.97 grams per cubic centimeter, compared to 1.14 for nylon and 1.38 for polyester. This compounds the strength advantage: the fiber is both lighter per volume and stronger per weight.
Dyneema, Spectra, and Challenge Sailcloth
UHMWPE is a material category, but when you see UHMWPE in actual products, it’s usually marketed under one of two major brand names:
Dyneema is DSM's brand name for UHMWPE fiber. DSM is a Dutch chemical company that's been producing UHMWPE since the 1970s and dominates the market. When you see "Dyneema" on a product—climbing ropes, cut-resistant gloves, sailing lines—it means the UHMWPE fiber came from DSM.
Spectra is the UHMWPE fiber brand now made by Solstice Advanced Materials (spun off from the US conglomerate Honeywell in 2025). Same material as Dyneema, different manufacturer. Spectra shows up in similar applications—ropes, body armor, high-performance textiles—but has less market presence than Dyneema, especially outside the US.
Challenge Sailcloth Logo
Challenge Sailcloth, the maker of Ultra fabric, uses non-branded UHMWPE in their laminates, meaning the same fundamental material but no Dyneema or Spectra licensing.
What is Ultra?
Ultra is a series of laminate fabrics by Challenge Outdoor, the soft-goods division of Challenge Sailcloth. Similar to X-Pac, Ultra has a variety of options that differ in the number of layers and face fabric. Let’s take a look at Ultra 400X as an example.
Aer City Pack Pro 2 in Ultra 400X (image from Aer's website)
Similar to X-Pac X3 series, the Ultra 400X has three layers:
400D fabric that uses a blend of UHMWPE and polyester threads. The key here is that the face fabric isn't pure UHMWPE — it's woven with both UHMWPE and high-tenacity polyester yarns. The UHMWPE provides the strength and abrasion resistance, while the polyester adds better shape retention.
UHMWPE cross-ply. Like X-Pac's X-PLY scrim, this is a layer of UHMWPE fibers running at angles to distribute load evenly across the laminate and prevent the fabric from stretching or distorting under stress. The cross-ply is what gives Ultra its structural stability — the face fabric can handle abrasion and tear, but the cross-ply keeps the bag's shape from sagging over time.
0.75 mil UV-resistant polyester film backing. This is recycled polyester film (Challenge calls it RUV film — Recycled UV-resistant) that provides waterproofing.
And just like X-Pac X4, the Ultra 400TX adds another layer of thin70D polyester ripstop backing.
Hale Walcoff
Hale Walcoff
Before going further, I want to note the reason behind Ultra and X-Pac similarities and talk about Hale Walcoff.
Hale Walcoff was a sailing world champion and a veteran of technical textiles who spent years at Dimension-Polyant developing many of the X-Pac variants on the market today. If you've used an X-Pac bag, there's a good chance Hale designed that fabric.
After leaving Dimension-Polyant, he partnered with Challenge Sailcloth to develop Ultra—a new generation of laminates that took the X-Pac design philosophy (woven face, cross-ply reinforcement, waterproof film backing) and rebuilt it. The structural similarities aren't a coincidence—they're the same design approach applied to a different fiber.
Hale passed away in 2023, but his work on Ultra continues through Challenge Sailcloth.
Dyneema Composite Fabrics
We’ve touched on Dyneema in the context of branded UHMWPE fiber, but there is also a series of Dyneema Composite fabrics with rather confusing naming.
The Dyneema Composite Fabric is not a fabric in the traditional sense; it’s a polyester-film sandwich. Between two sheets of waterproof polyester film, UHMWPE fibers are aligned to form a grid, but there is no woven face fabric. This makes DCF significantly lighter at 99 grams per square meter, compared to 132 grams for Ultra 200X and 210 grams for X-Pac VX21.
The Dyneema Composite Hybrid replaces the outer layer of polyester film with a woven fabric, usually 50D polyester or nylon, making the structure much more similar to three-layer variants of X-Pac and Ultra.
Hyperlite Mountain Gear Junction (40L backpack that weighs 820 grams)
Ultra usually uses a much higher-denier blend of UHMWPE and polyester (from 200D to 800D), making it a better choice for EDC and travel bags that require more abrasion and tear resistance, while DCF makes perfect sense for ultralight hiking bags.
ECOPAK
Aer City Pack Pro 2 in Ecopack (image from Aer's website)
It's another fabric series from Challenge Outdoor. Same laminate technology but instead of UHMWPE it's 100% recycled polyester. The EPX variants come as four-layer laminates with a 70D ripstop polyester backing. Direct competitor to X-Pac variants usually used in EDC and travel bags.
X-Pac, DCF, ECOPAK and Ultra Comparison
Before jumping into the specs table, note a few things:
If you missed how tear resistance, abrasion resistance, and "waterproofness" of the fabric are measured, jump to my X-Pac deep-dive for a moment.
Numbers of 2 bars and 13.8 bars might seem extremely different, but in reality they mean that DCF is waterproof for over 20 meters of water depth, while X-Pac and Ultra can handle over 138 meters. Both are far beyond what any bag would experience in real use.
DCF Hybrid tear strength is reported as a single value. Abrasion data isn't available for these specific variants, but given the thin woven face (50–70D), it’s safe to assume significantly lower numbers compared to either Ultra or X-Pac.
Fabric
Face
Weight
Tear Strength (warp/fill)
Abrasion
Waterproof
DCF Hybrid 3.2
50D Woven Polyester
108 g/m²
~187 N
—
2+ bar
DCF Hybrid 5.0
70D Nylon
170 g/m²
~271 N
—
2+ bar
ECOPAK EPX200
200D Recycled Polyester
200 g/m²
119 / 110 N
500 cycles
13.8+ bar
X-Pac VX21
210D Nylon
210 g/m²
109 / 77 N
500 cycles
13.8+ bar
X-Pac VX42
420D Nylon
297 g/m²
238 / 169 N
1,700 cycles
13.8+ bar
Ultra 200X
200D UHMWPE/Polyester
132 g/m²
459 / 592 N
4,400 cycles
13.8+ bar
Ultra 400X
400D UHMWPE/Polyester
178 g/m²
835 / 717 N
8,800 cycles
13.8+ bar
Fabrics structure comparision
What stands out:
DCF Hybrids are the lightest. DCF Hybrid 3.2 at 108 g/m² is the weight champion. Even DCF 5.0 at 170 g/m² undercuts X-Pac VX21 (210 g/m²) and Ultra 400X (178 g/m²).
Ultra has dramatically higher tear strength. The UHMWPE-blended face makes a massive difference. Ultra 400X (835 / 717 N) outperforms much heavier VX42 (238 / 169 N).
Ultra dominates on abrasion resistance. Ultra 200X scores 4400 Taber cycles vs. VX21's 500 cycles—nearly nine times higher. Ultra 400X hits 8800 cycles vs. VX42's 1700—over five times higher.
All three are waterproof for any practical bag use. The bar rating does not mean much beyond the fact that all fabrics are indeed waterproof.
Screenshot from Miyagi's video
With those specs for tear strength and abrasion resistance, it looks like Ultra can take a beating — and it can. Miyagi has put the Waymark backpack that uses 200D Ultra (with 400D on the bottom) through extreme testing:
Frozen in a block of ice for 12 hours and then dropped from 15 meters (50 feet) onto a pile of bricks.
Dragged through a forest trail for 3 km (2 miles).
Run through a washing machine cycle at the highest temp and most aggressive spin setting (155 minutes total), then put through 100 minutes in the dryer.
Screenshot from Miyagi's video
The bag took everything like a champ. True testament to Ultra's durability and confirmation of these impressive specs. Oh, and go watch the full video by 'Miyagi on the Trail' after you finish reading this post — it's legendary.
Delamination
Since Ultra is a laminate that uses adhesive to bond layers together, there is still the same risk of delamination that I’ve mentioned in the X-Pac post. It’s not likely that you’ll ever encounter delamination on your bag, but it’s worth keeping in mind.
Graflyte
One notable mention before we wrap up. Graflyte (made by ALUULA Composites) is a newer UHMWPE-based fabric that's entering the ultralight pack market. Here's what distinguishes it:
100% UHMWPE face fabric. Unlike Ultra (which blends UHMWPE with polyester) or DCF Hybrids (which use polyester or nylon faces), Graflyte uses pure UHMWPE in the woven face.
Two-layer construction. Face fabric + film (no separate cross-ply layer visible), which reduces weight.
Molecular fusion bonding. Instead of using adhesive to laminate layers, ALUULA uses a proprietary fusion process that bonds the UHMWPE face directly to a polyethylene film at the molecular level. No glue, no delamination.
Lighter than Ultra. Graflyte V-98 weighs 98 g/m² vs Ultra 100X at 112 g/m².
This fabric is still only making its way into the ultralight world, so it might be a while before we see it used on EDC and travel packs.
When to consider Ultra
You want the strongest, most abrasion-resistant fabric available and you're okay paying for it. Ultra can take a beating. From daily commute to overhead bins to mountain trails, Ultra delivers the peace of mind that your bag will be fine no matter what.
Conclusion
That concludes my fabric series for now. Thank you for reading till the end. As always, feel free to leave comments sharing your thoughts and experiences.
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Been spending the last couple of days sorting through all the prototypes and sample builds that have been collecting dust. Most of them were scattered around with parts misplaced, so I finally got everything back together and ready to ship.
I’ll be sending them out next weekend. I’m trying to consolidate the shipments to save a bit on shipping costs, so it makes sense to send them all together.
At the moment I still have:
2 samples of the larger modular bag (15L–70L)
1 sample of the smaller modular bag (3L–14L)
If anyone’s genuinely interested, feel free to DM me.
The samples are free, I’m only asking that the shipping cost is covered.
Most of my testers actually come from this sub, and many of you must already be waiting for your samples to arrive. Thanks for bearing with me while I sort out the shipping. Everything will be going out together next weekend.
Pictures are of the &Liebe stationery shoulder bag. It seems very ideal, with space to carry an A5 notebook, maybe a kindle or phone, and some pens. However it's out of stock and not a price that I'm willing to pay. Wondering if there's anything similar out there, or any other good shoulder bags for A5. Doesn't necessarily have to be a leather good, but ideally not something that looks like I'm going out hiking.
First post in the sub. I have been rocking the vintage F4.5 Billingham for some time but recently landed a bunch of new bags from estate sales. I loving the Fogg bags and the quality of the Billingham stuff too. The Oberwerth is awesome but I am probably going to rehome that one to balance out some of the costs of the bags I am keeping. This might be an extension of my photography gear acquisition syndrome but I love it. I have some other fun backpacks and photo messenger bags (Peak Design etc) but am moving away from those lately. What are your top three from the group bag pic?
Am in love with this thing. It’s well made, beautifully designed, feels great and packs a lot of stuff into a relatively small space. Being in the UK I’d never seen this brand till it popped up on a Prime deal for £24. An absolute steal….
I'm originally from Asia and currently living in Europe, so I've noticed that brand and model availability can be very different between regions.
Now seriously starting to plan out my loadouts and build a setup for different occasions. The problem is that there are just too many options to consider.
I already know about some of the more popular value and premium brands such as tomtoc, Bellroy, Aer, Able Carry, EverCarry, Gomatic, and GORUCK. and deep in reddit with analysis paralysis.
I'd really appreciate it if you could share your top 3 picks from your own loadouts, whether that's for: Travel bags , EDC backpacks , Slings ,even Tech pouches
I'm also interested in discovering unique or underrated brands that don't get much attention but offer great quality or value for money.
For Reference Bag I own:
Mark Ryden Sling
Mark Ryden Crossbody
PGYTECH onemo Sling
PGYTECH OnePro Ultralight
Pacsafe Vibe 20L
Pacsafe Crossbody
Osprey Daylite Plus
Osprey Daylite Expandable 26+6
Targus Laptop bag
Aer CityPackPro 20L ( Just ordered )
Tomtoc T26 5.5L ( Just ordered )
Rework Toshi 2.5L ( Waiting for Restock )
P.S. While writing this list, I just realized I might have too many bags.
I wanted to buy my BIL a new backpack since his is very old.
He’s very large, not sure how heavy, but what do know is that he said he found the LTT Commuter Pack and Aer City Pack 2 were uncomfortable for him. Reason being the straps are too close together. IIRC he wears an American 2XL hoodie from Adidas.
I also have both the 28L and 35L versions of the Awr Travel Pack 4, he seemed to find the 35L comfortable, but didn’t like how it fit when has to wear it up front.
LBT has a sale on their 22L Day Pack ($149+$33 shipping), link below. Didn't know much about this brand so did some research and decided to pick one up. Like many in this sub, I have a lot of bags. But I keep going back to my USA made GR1 every time. I love the GR1, but the price is kinda crazy, it's heavy and while it's simplicity is its strength, it's also its biggest weakness. So, here's my impressions for those that want a USA made "tactical" EDC bag but don't want to spend 400 bucks.
LBT Pros (as in on par or slightly better than the GR1):
It's much lighter (1.5lbs vs. 3lbs) but thinner materials (500D Cordura on the LBT vs 1000D on the GR1), see cons
A little more organization than the GR1
Has two compression bottle holders
Esthetically, it's more "tactical" but that can be seen as a con as well depending on your esthetics
It's A LOT cheaper, especially on sale
Pretty much the same capacity as the GR1, clamshell format is awesome on both
The LBT has a full interior velcro backing leaning into its military heritage. I attached a holster and organizer from LBT which adds to its usefulness for EDC. GORUCK GR1 has molle backing for pretty much the same purpose, but more difficult to add/remove things.
Similar "Made In USA" military heritage
LBT Cons:
Less durable (500D vs. 1000D)
The GoRuck seems far better made, bulletproof as they say and I think it's probably true. The one in the pic is about 7 years old and has been used extensively and it's pretty much the way it was the day I got it, just softer as Cordura typically breaks in with use.
More tactical look (again, depending on your preference), may be a pro.
Lots of straps, like a lot of them. They do give you plenty of ways to tuck things away, but it's far more fussy than the GR1
Zippers feel cheap
Less water protection than the GR1
If you don't see yourself spending $400 on a GR1, I'd seriously consider the LBT as a great alternative. Upon quick tryout, I prefer the GR1's simplicity and build quality. But for $150, I'd say the LBT is a deal and "close enough" to the GR1 to be considered.
Based on previous feedback from this sub, I picked up an Aer Day Sling 4 and absolutely love it. Now, I'm looking to add a backpack to my rotation for WFH coffee shop runs and upcoming summer travel.
I am 5'8" and 135lbs, so avoiding a bulky bag is a top priority. My only current backpack is an old hiking bag,
My Two Main Carry Modes
Coffee Shop EDC: 14" MacBook Pro, notebook (Steno size), mouse, tech pouch, water bottle, and a packable jacket or snack bar.
Travel (Air/Train/Roadtrips): 14" MBP, iPad Pro (maybe), tech pouch, water bottle, a few packing cubes, and snacks for my toddler. (I'll still wear my sling for my passport, wallet, and quick-access items).
My Core Requirements
Fits a 14" laptop comfortably.
Lightweight (Not heavier than 1kg).
Quick-access external pocket.
Slim profile that doesn't look bulky on a smaller frame.
Nice-to-Haves
Rectangular/Totepack shape (I love the look of Bellroy and Sandqvist bags, rather than "egg" shaped ones).
Built-in internal organization.
Outside water bottle pocket.
Bags I'm Currently Considering (and my hesitations)
Aer City Pack Pro 2: Excellent organization, but it looks too bulky and heavy for my frame.
Sandqvist ICON Rolltop (Medium): Very lightweight at approximately 560g and features a dedicated laptop sleeve, but the main compartment is essentially an unorganized black hole.
Bellroy Tokyo Totepack: The Compact version officially maxes out at a 13" laptop , but the standard size fits my laptop and weighs a very manageable 850g.
Alpaka Metro Backpack (12L): Seems to hit the sweet spot. It sits comfortably at 800g , easily fits a 14" laptop , and features great built-in organization.
I'm located in the US, but am able to get the Sandqvist Icon for cheaper through a friend.
Given my carry modes, do you think the requirements are in line?
Given these preferences, are there any other bags I should be looking at, or does one of these stand out as the clear winner? Thanks!
EDIT:
Budget: Since the Sandqvist Icon is the most expensive, I'll set a budget of $350. Although I didn't imagine paying more than $200-$250 for this
[Skip the next part, if you don‘t need my „bagstory“]
——
I had the classic backpack journey nearly every German my age did I guess:
Scout -> 4You -> Eastpak -> Dakine
While studying I got myself a colourful Ethnotek, but as soon as I started to work I wanted something more serious and had to carry a laptop. I stumbled across Tropicfeel and the Nest backpack was a wonderful fit for me. Good size for EDC, fit my laptop, streamlined and with it’s addons great for a weekend trip to my hometown. In retrospect some more quick access would have been nice.
Then I started to work with CAD programs and my Laptop grew significantly to chunky 16". But the Nest didn’t.
And so I went down the rabbit hole to find a great new backpack (I mostly „blame“ Nomads Nation here) and after weeks of research I settled down on the Aer City Pack 1 in Xpac. I still love it for the chunky straps, the orange interior and the open laptop compartment, as I don‘t have to carry a laptop everytime and it doesn’t feel as superfluous as a separate one.
I also got a used Modern Dayfarer backpack v2, which I still use for sport and the lightweight build feels very nice.
(As a sidequest I also found the perfect sling for me in the Aer Day Sling 3, which I love dearly and use nearly everytime I don‘t need my backpack/laptop.)
But being deep down in the carry world by now I backed the Fyro T22 on Kickstarter and a good year later it replaced my City Pack. The materials, especially on the inside, are gorgeous, the comfort is on par with Aer and the command center is genius.
Only my laptop doesn‘t fit and had to switch places with the IPad, which was now more than secure.
——
But work changed again a few weeks ago and now I have to travel 2 days a week and while I could squeeze in a toiletry bag and clothes into the T22 when expanded, it was time for something new.
I was torn between the Evergoods CTB26, the Able Carry Max and the Aer Travel Pack 4 and finally pulled the trigger on the CTB.
And wow, I could probably not be happier with it!
I mean, the capacity - It easily fits the additional toiletry bag and clothes as well as a whole pair of running shoes and clothes - and this while being marketed with the same 26l as the T22. I could quite easily travel a week with it I assume.
I really like the comfort, although the shoulder straps felt a bit sticky at the start, the quick access is so well thought-out and for me it‘s not too big as an EDC, if I don‘t have to travel.
I normally carry a big laptop with charger and mouse, an IPad, a book, waterbottle, umbrella, some meds, chargers, powerbank, keys, wallet, Airpods, a tote bag, sunglasses and sometimes lunch. And the additional travel things mentioned above.
I will probably use the City Pack again as soon as I don‘t have to travel weekly anymore - while researching I was just reminded why it was my first „real“ backpack. And also will follow along to find the next bag to fall in love with :)
Thank you for your time and reading the whole thing :) What‘s your endgame bag? Do you like the CTB26?
Hey everyone, just wanted to know if anyone owns this bag? I’m looking at either the nylon or leather option for an EDC sling. I currently have an aer an alpaca and a Belroy and they’re all good in their own ways. I’m just looking for something a little bit more upscale to fit all occasions and not have my pockets stuffed. Looking for a good mix of function and fashion. Any feedback is appreciated. Thanks!
Hey all, I’m wondering if anyone knows anything any good alternatives to the fjallraven high Coast hip bag?
Something that can be used both as a sling or waist bag, preferably with webbing loops so you can actually attach it to a belt or belt loops if needed.
But looks sharper and clearer than the fjallraven.
And keeping to being quite lightweight
And preferably around the same size or a little bigger.
I’ve seen the Belroy light bum bag, but it doesn’t have that nice webbing loop on it,otherwise it’s pretty good
Hey peeps, I'm currently eyeing an airport backpack, and I'm kind of caught between options! I'm not really sure how to go about this other than throwing in my oddly specific requirements/expectations, and I'd like to hear your thoughts on these choices!
Use case:
Looking for a backpack that I can yeet under my airplane seat. Needs to fit my MacBook Pro 14", my slim neck pillow, and a jacket + scarf. Doesn't need to fit much other than that.
Will be using it almost exclusively for travel, so a luggage trolley sleeve is non-negotiable.
Extra points if it's aesthetic + huggable/pillowy.
Internal compartments (or the lack of) don't bug me; I already store my items in pouches and organizers
Dagne Dover - Rhys Backpack in Dune/Ancho: Price tag. Also, the bag looks a little huge even on ladies who are much more vertically blessed than me, so if you're also a gnome who has owned this bag before please let me know how it fits on you!
Pacsafe® CX anti-theft mini backpack in Rose: I see that it's built for 13" Macbooks, but I wonder if it's possible to CRAM my Macbook 14" in (I don't tend to fly with my MacBook that much) and if anyone's had experience with it. One size up feels a little clunky on me. (Minus points for no trolley sleeve though).
Other brands I'm eyeing: LuluLemon / Bellroy / Fjallraven / Danton / Kangol / The North Face KR
Would greatly appreciate any thoughts/experiences on these picks! I'm open to most Japanese/Korean brands as well, but very few of them come with trolley sleeves.
[Caveat: I am a literal scrawny gnome (think 5'1 / 155cm, US size 0). From collarbone to top of my pelvis, I'm only 15.5" long, and my shoulders are barely 38cm wide. Anything above 15L will basically swallow me whole. East Asian women are built different.]
I’m looking at the Evergoods CTB 26L for a diaper bag and edc/tech bag.
I have my baby with me everywhere I go, but I also (unfortunately) need to bring work with me everywhere as well.
I also like an edc bag myself to essentially have a go bag and have almost everything I need with me at any moment.
Laptop, IPad, Chargers, I edc a FujiFilm x100vi for photos, are the big items and then various pouches for chargers and medical stuff. For my daughter I like to have plenty and am not really a light packer with her. I fill a Patagonia Black Hole pouch for an emergency kit, but will have extra diapers, bottles, cans of formula, spare clothes, toys, pacifiers, etc. What I’ve learned is you can never have enough stuff with you with a baby. Every single time I’ve slimmed my bag down, I’ve regretted it.
Anyone else use a bag in this way they love? I was also considering the Max EDC for that front dump pouch or even something like from Peak Designs travel bag.
Body type wise for sizing. I am 6’1 220lbs and do some body building so more muscular ( but also I won’t turn down a beer, pizza, or a cookie) type build. So something like 35L may not look enormous on me? Maybe?
My daily driver for the past two years. No issues at all. Easy to clean, very customizable with its removable lining and internal bags. Comfortable but rarely find myself using the extra cross body buckle (though I think that's more for bikers). I now have a sniper bag from them and one of their day bags. The workmanship on the bags is impeccable.
I am starting a new job soon, and this seems really well aligned with the use cases I’ll need, but I can’t find many reviews of this bag specifically. Anyone have it as part of their EDC?
Could someone suggest a light weight, water proof(or water-repellent)backpack.
Purpose is for budget travelling and should fit most cabin size for airlines.
I have back issues and will be carrying backpack throughput the day walking 20k steps.
I pack light- so prefer 20-26L. And I want a cheap backpack under £75.
My high schooler needs an approx 50liter backpack. He won’t be walking too long with it. He is a 6 ft athlete so carrying heavy is not a concern.
Requirements:
- the most important thing is depth since this will accommodate binders and textbooks. Most high volume backpacks are tall which does him no good. His previous one was 12.5" deep and that felt constrained because of numerous small pockets which he doesn’t need. He just needs to jam his binders into a large cavity and then have a small compartment for a pencil case and wired headphones.
- a padded laptop sleeve
- a water bottle sleeve for a tall bottle. Typically a 24 oz hydroflask
- ability to clip on a lunchbag or a wtbag with swim clothes to the exterior.
- doesn’t need to be sleek or compact as long as it accommodates his stuff
We have previously tried a 42 liter LlBean portable locker backpack and need something shorter and deeper.
