I've had the bag for over a month and somehow just discovered the hidden carabiner in the front pocket. Had no idea it was even there. It looks great, but what really gets me is how many useful features are packed into this thing. I’m still finding little details I didn’t notice before. If you want a tough bag with great materials, this is an easy recommendation.
NoahFlex™ Pack 31L 1000D Cordura® Outdoor Bundle RG
One flexible, modular carry-on backpack.
The NoahFlex™ Pack 31L is an expandable carry-on backpack built to transition seamlessly from everyday work to outdoor adventures and 2–3-night trips. Its compressible design adapts to changing loads, while durable CORDURA® fabric, organized device storage, and modular attachment points keep you prepared wherever you go.
KEY FEATURES
* Carry-On Compatible Dimensions
* TSA-Friendly Laptop Compartment
* Expandable and Compressible Capacity
* Full Clamshell Opening
* Padded Suspended Laptop Pocket
* Doubles as a Hydration Reservoir Sleeve When Not Carrying a Laptop
* Adjustable Sternum Strap with Magnetic Buckle
* Magnetic Docking System Prevents the Sternum Strap from Dangling When Not in Use
* Luggage Pass-Through That Doubles as a Shoulder Strap Keeper
* Quick-Access Front and Top Pockets
* Built-In Carabiner Key Leash
* Dedicated iPad / Tablet Pocket
* Hidden Water Bottle Pocket
* Internal Frame Sheet
* Compatible with the DualCore™ Padded Belt
* Gear Expansion Points for GearTight™ and TacCinch™ Straps
MATERIALS & COMPONENTS
* Shell: 1000D CORDURA® Nylon
* Back Panel: 420D High-Tenacity Nylon
* Ventilation: DuraBreath™ Mesh
* Lining: 210D High-Tenacity Nylon
* Shoulder Straps: DuraBreath™ Mesh + DualCore™ Cushioning System
* Webbing: Webb300™ (301 kgf Tensile Strength)
* Plastic Hardware: WOOJIN PLASTIC®
* Zippers: YKK® Coil Zippers with DWR Water-Repellent Finish
* Modular System: GearLink™ and MOLLE-Compatible System
SPECIFICATIONS (Pack Only)
* Dimensions
Compressed — 19.5 × 13.0 × 4.9 in (49.5 × 33 × 12.5 cm)
Expanded — 19.5 × 13.0 × 8.1 in (49.5 × 33 × 20.5 cm)
* Capacity
Compressed — 18 L
Expanded — 31 L
* Weight
3.28 lb (1.49 kg)
* Laptop Pocket
15.7 × 12.2 in (40 × 31 cm)
Fits laptops up to 17 inches
* iPad / Tablet Pocket
11.8 × 11.4 in (30 × 29 cm)
Fits tablets up to 13 inches, including iPad Pro 13"
WHAT'S IN THE BOX
NoahFlex™ Pack 31L x 1, GearTight™ Strap x 2, TacCinch™ Strap x 2
Choose options
NoahFlex™ Pack 31L 1000D Cordura® Outdoor Bundle RG
Sale price$239.00 USD
Regular price$249.60 USD
Video
LAPTOP-TO-HYDRATION POCKET
When hiking long distances or engaging in outdoor activities,
a hydration bladder can be connected to the NoahFlex™ Pack,
allowing you to stay hydrated on the move without carrying a separate bottle or tumbler.
The laptop compartment is equipped with a dedicated drainage port,
so any condensation or moisture can safely exit the pack without pooling inside.
This results in a lighter, more efficient carry—so you can move farther with less distraction.
About
MATERIALS
Shell: 1000D Cordura® Nylon
CORDURA® 1000D nylon is a high-denier nylon fabric widely used in packs and heavy-duty gear in military for its abrasion resistance and tear strength. We use 1000D Cordura® for the shell to prioritize long-term wear resistance in daily carry, travel, and outdoor use.
Zipper: YKK® DWR-Coated Water-Repellent Coil Zipper
YKK® coil zipper with a DWR (Durable Water Repellent) coating applied to the zipper tape. Designed to reduce water penetration from light rain and snow while maintaining smooth operation. The coating is formulated for durability and long-term performance under regular use.
WoojinPlastic® Hardware
WoojinPlastic® hardware is used across the system, meeting military and industrial performance standards commonly applied to load-bearing plastic components. Selected for consistent strength, dimensional stability, and reliability in daily carry, travel, and outdoor conditions.
Lining: 210D High-Tenacity Nylon
210D high-tenacity nylon is used for the interior lining to balance strength, abrasion resistance, and weight. Compared to standard nylon of similar denier, high-tenacity yarns provide higher tensile strength and improved durability, making it suitable for structured internal compartments and long-term use.
Webb300™ Webbing
Webb300™ webbing is used across the system for load-bearing and attachment points. Rated for up to 300 kg tensile strength, it provides consistent strength and dimensional stability under load.
Back Panel: 420D High-Tenacity Nylon + DuraBreath™ Mesh
The back panel is constructed with 420D high-tenacity nylon combined with DuraBreath™ mesh. This combination is selected to handle continuous contact stress, including abrasion, heat buildup, moisture, and clothing wear, while maintaining durability and airflow during extended use.
Customer Reviews
Overall rating: 4.9 / 5 from 79 reviews.
I wanted something fairly compact for commuting and everyday carry. It’s a little bigger in person than I expected, but the organization is good and makes great use of the space. I especially like being able to zip it down when I’m on the train or bus so it stays nice and slim. The fact that one zipper can expand or compress the entire pack is such a smart design.
There's enough storage, and I like that I can use it for pretty much anything, daily carry, the gym, outdoors, or travel. Pretty much exactly what I was looking for.
I've been using this for a while now, and honestly, it's hard to go back to anything else. So satisfied with this one!
Fits my needs perfectly.
Practical, well built, and packed with useful features. Definitely worth it.
A couple of small things could be better. There's a dedicated bottle pocket, but if I want to carry something longer like an umbrella, I have to strap it to the outside of the bag. Also, the chest strap sits a little higher than I'd prefer, so it took me a little while to get used to it. Nothing that's been a dealbreaker, though.
The belt that comes with the bundle has really nice padding. The bag has plenty of storage overall, and it’s comfortable to carry too.
Perfect size for me.
There’s a lot of space, the build feels tough, and the bag is flexible enough.
Easy to grab, easy to put back, and just a nice setup overall.
Solid gear all around.
The included hip belt is useful and the chest strap sits a bit high by default, but it can be removed and moved lower. Once I use the hip belt too, the bag locks in very close to the body.
This is probably one of the best backpacks I’ve used in this category. I’ve tried Maxpedition and RUSH 24 s before, and while other bags may have their own strengths in materials, I think this one is my best so far.
After using the 31L for about a week, I think the size is just right for me.
For business trips, this modular setup makes a lot of sense.
I love that one bag can cover my daily carry, workouts, and business trips
Nothing feels flimsy or rushed. Solid and well made gear vibe right out of the box.
Great as a carry-on bag. The tacinch straps are a nice too. They make it easy to lock down extra gear.
It showed up right before my trip. Shipping was fast, and the bag has pretty much every feature I was looking for.
The cordura fabric puts the quality of this bag in a different league.
There’s a ton of room to organize my stuff. I carry a heavy laptop, but the shoulder straps hold the weight better than I thought.
I do a lot of outdoor activities, so I went with the bundle, and honestly, it was the right call.
The compression and expansion system is very easy to use.
This one turned out to be exactly what I was looking for. It has plenty of useful features and it's very comfortable to carry. I really like the design too.
The craftsmanship is excellent, and the bag is very well made. I also really like the pocket layout. There are a lot of useful storage options but the design still looks clean and well organized.
This is a very practical bag. In person, the bag has a sturdier build than I expected, but it’s still lighter than I thought it would be. The capacity is also bigger than it looks, which makes it even more useful. but I’m taking off one star because the side pockets are a little smaller than I expected. I carry a 1L nalgene, and it was pretty tight the first time I tried to put it in. Other than that, I’m really happy with the bag.
Molle attachment system could not be easier to use. Everything connects smoothly. Easily one of the best bags I’ve used.
I I travel often for work, so I bought this as my business trip backpack. The materials are high quality and the bag is tough and sturdy. It also works as a carry-on, which is important for me, and the luggage pass-through on the back makes it easy to secure to my suitcase.
I bought this right after the new release. The design looks great, and the compression and expansion system is very convenient.
Already versatile on its own, but adding the pouches takes it to another level. Being able to attach and remove them depending on the situation is honestly pretty fun. It opens up a whole new way to use the bag. I’m already looking forward to seeing what other pouches eshena releases next.
Construction is clean and gives a strong impression of quality.
Shipping was fast, and the bag looks great. Satisfied with the functionality, materials, and overall finish.
cordura 1000d is sturdy and the quality is on a different level. ykk zippers are large and easy to open and close, which makes daily use more convenient.
The material is excellent and design is clean, and it looks premium in person. Very satisfied with the overall quality.
I like it enough that I’m already thinking about whether I should get the 35L Travel Bundle as well.
This bag can cover commuting and travel. I don’t need to separate bags for different situations as much anymore.
What stands out most to me is its molle compatibility. It’s not limited to just one area. You can attach and detach gear on the sides, top, bottom, and even the back, which makes the bag feel much more flexible.
I’m glad I added the pouch and rain cover as well. The functionality and compatibility are excellent.
The quality feels good and the bag gives a solid first impression. Simple as that.
