Kakwa 55

Sale price$199.00 USD

Size: Small
Fabric: UltraGrid

The Kakwa 55 has been updated for 2024 and now comes in two fabric options: UltraGrid and Ultra 200X (see FAQ for differences). 2024 updates include a larger front pocket, drain holes, and more lash points. Due to high interest, there will be gaps in availability as we increase production. Currently the M and L sizes are in stock in both fabrics. We'll have more Small size packs in UltraGrid in mid-September and in Ultra 200X in November.

The Kakwa 55 is our premium ultralight, multi-day pack designed from the first principles of load carrying and ergonomics to provide the greatest function, comfort and usability for an ultralight pack. Developed from Dan Durston’s attention to detail and thousands of miles of backpacking experience, the Kakwa 55 has class leading load carrying, materials, and pocket design while weighing under 2 lbs (900 g).

LOAD CARRYING

The Kakwa 55 brings genuine load carrying capability into the sub 2 lbs weight class. 

Other packs this light generally sacrifice load carrying ability by omitting load lifters, lacking horizontal structure, and relying on less ergonomic shoulder strap and hipbelt shapes.

The Kakwa 55 solves this tradeoff through more efficient design and advanced materials including UHMWPE fabric and hollow aluminum tubing. Hollow aluminum tubing is a more efficient use of structural weight than the solid metal bars found in competing packs. We use this material to create a rigid frame with both vertical and horizontal structure at the same or less weight than competing packs that only have vertical structure.

This frame connects directly to the hipbelt for maximum load transfer and directly to the load lifters, which are rare on packs this light yet highly functional for shifting more of the weight off your shoulders and onto the hips. A capable structure is nothing without an ergonomic connection to your body, which is why the shoulder straps have a carefully developed S shape to contour around your upper body, while the hipbelt uses a dual strap design which cups your hips and has reverse pull 2:1 leverage for easy tightening. The result is a pack that comfortably and effectively manages loads up to 45 lbs.

EFFICIENT ACCESS

Efficient access to your gear is a hallmark of ultralight pack design as it allows you to spend more time covering miles instead of digging through your pack.

What is needed is not a high quantity of pockets but rather a pocket layout that has been carefully considered to compliment and allow for a diverse range of storage possibilities while remaining simple enough to be easily organized.

For this, the Kakwa 55 has four types of pockets to optimize on-the-go access to your gear. First are the hipbelt pockets, which are designed to reliably operate one handed and easily accommodate medium sized items such as snacks, sunscreen, phones, and headlamps. That storage is augmented by dual top opening shoulder strap pockets which provide an ideal place for your phone for quick photos and navigation. These pockets also work well for small water bottles, sunglasses, and bear spray.

Additionally there is the innovative QuickPocket which consists of an easily reached compartment in the sidewall of the left side pocket. This allows you to stow and quickly access even larger items than normally possible, such as hats, mitts, maps and bulky snacks. Finally, a mesh style front pocket has been substantially increased in size for 2024 and quickly swallows the largest items like rain gear, tents, and cook sets.

Collectively, the Kakwa’s pockets are carefully considered so you can hike with maximum efficiency.

BackpackingLight

Most Comfortable

"The Kakwa is one of the most versatile and comfortable packs I've ever used for loads exceeding 35 lbs....this pack has my favorite carry feel".

Section Hiker

10 Best Ultralight Backpacks

"The low weight is impressive for a framed pack....and it provides excellent weight transfer to the hips. The pocketing is fantastic for accessing what you need during the day without stopping."

The Trek

I Could Not Be Happier

"I’ve become a huge fan. It has smart places to put all the stuff, and carries all that stuff comfortably. I could not be happier to have it for the remaining 2,000 miles of the Eastern Continental Trail this winter."

Adventure Alan

Incredibly Well Designed

"The Kakwa has a famously excellent load carry. The whole setup is just so dang comfortable and user-friendly. It is in contention for best ultralight backpack on the market."

MATERIALS & QUALITY

In our backyard in the Canadian Rockies we often spend more time off trail than on, so durability in materials and construction is a top priority. With the Kakwa 55 we are using Ultra 200X and UltraGrid fabrics from Challenge Outdoor, where the face fabric is partly (UltraGrid) or dominantly (Ultra 200X) woven UHMWPE fibers which are several times stronger and more abrasion resistant than traditional nylon pack fabrics. The Ultra 200X material is laminated with an eco-friendly adhesive to a film to create a waterproof fabric, while UltraGrid uses a PU coating for waterproofing.

Simply using a tough fabric is not enough if the pack has weak points in the stitching or supporting materials. That's why the Kakwa 55 is fully double stitched with heavyweight thread by the same factory that builds packs for Arcteryx, and uses stronger folded seams. We’ve also used the same tough fabrics for the hipbelt pockets and side pockets so these exposed areas also have maximum durability. The front pocket is generally less exposed to the brush, but still we’ve sourced a durable knit mesh for this pocket that is much tougher than typical lycra mesh.

Ultra Fabrics

The Ultra 200X fabric option is dominantly woven UHMWPE fibers (more commonly known by the brand name Dyneema®) which is several times stronger and more abrasion resistant than traditional nylon pack fabrics. This material is laminated to a film backing to make the material waterproof.

The Kakwa 55 is also available in a more affordable UltraGrid version which uses a 200D nylon fabric interlaced with a UHMWPE ripstop. While not as tough as Ultra 200X, it is still quite a tough fabric.

Hollow Aluminum U Frame

The hollow aluminum inverted U frame provides vertical and horizontal structure at less weight than frame stay systems for more effective load transfer and comfort at loads up to 45 lbs / 20 kg.

Dual Strap Reverse Pull Hipbelt

This hipbelt design cups your hips, and makes tightening the belt much easier with 2:1 tightening leverage and an ergonomic direction of pull.

Shoulder Strap Pockets

These pockets provide an ideal place for your phone, bear spray, sunglasses, small water bottles and more. We attach them permanently for a more solid and user friendly connection.

Quick Pocket

The Kakwa's unique Quick Pocket is easily opened while on the move and provides quick access to larger items like hats, mitts, oversized phones, maps, and snacks.

Specifications

SPECIFICATIONS

WEIGHT

Complete Pack (oz)

Ultra 200X: 29 oz (S), 30 oz (M), 31 oz (L)

UltraGrid: 31 oz (S), 32 oz (M), 33 oz (L)

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Complete Pack (g)

Ultra 200X: 825g (S), 850g (M), 875g (L)

UltraGrid: 870 g (S), 910g (M), 950g (L)

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Removable items

Frame (3oz / 90 g) and backpad (0.5oz / 15 g) are included but removable.

MATERIALS

Main Fabric

Ultra 200X or UltraGrid

Features

FEATURES

Ultra Fabrics

The Kakwa is available in two fabrics: Ultra 200X and UltraGrid.

Ultra 200X is dominantly woven UHMWPE fibers (known by the brand name Dyneema®) which is several times stronger and more abrasion resistant than traditional nylon pack fabrics. This material is laminated to a film backing to make the material waterproof. This pack uses the new 'X' version which adds a tougher inner film.

UltraGrid is a nylon based pack fabric that is not as tough as it's Ultra 200X sibling, but still is a very durable pack fabric with a ripstop grid of UHMWPE fibers and a waterproof PU coating. It offers a smoother feel, tighter weave, and more affordable price.

Hollow Aluminum Frame

The inverted U frame provides both vertical and horizontal structure while the hollow aluminum tubing makes it lighter than flat frame stays.

Load Lifters

Load lifters are often omitted on lightweight packs but are a key component of the Kakwa's exceptional load carrying ability.

Compare

COMPARE

The Kakwa 55 provides best-in-class load carrying, usability, and durability for a sub 2 lbs pack. To illustrate, the table below compares the Kakwa 55 to what is typically seen in this niche (50-60L packs under the 2 lbs mark with premium fabrics).

LOAD CARRYING

Kakwa 55

Main Competitors

Frame structure

Inverted U frame provides vertical and horizontal support

Flat bars provide only vertical support (prone to rounding into a cylinder)

Load lifters

Yes

Sometimes

FAQ

FAQ

Browse the FAQ to learn more or get in touch if you have further questions.

Contact Support

Customer Reviews

Based on 342 reviews
90%
(307)
8%
(26)
2%
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E
Erin Dietz
Very impressed!

I bought both the X-Mid Pro 1 tent and Kakwa 55 pack for a recent thru-hike of the Long Trail in Vermont, and couldn’t have been happier with both of them. This was a shake-down for the Appalachian Trail next year and I’ll absolutely be sticking with both. I considered several brands before landing on this tent & pack but Durston seemed to be the most thoughtfully designed, had all the key features I was looking for, and on par or better than the other major brands weight and price-wise. I’m also super impressed with the thorough and thoughtful comments Dan consistently leaves on reviews and forums. Thank you!!

k
kelly n.
Durston Kakwa 55

I've only done a one week coastal hike so far. So much to love about this pack, really a 4.5 star. I managed to get all my gear in and I was last using an old 70L pack. With the lighter gear now, it's packing much smaller. Started the week at about 38lbs. Carried well, packed nice. I will seal the seams one day to not worry, but I usually pack into a plastic bag.
Couple things I noticed; multiple times the waste buckle undid when I was bending over to pick up things or climb over a log. Not sure if it's the buckle malfunctioning? I'm not overweight by any means. I'll see about getting a spare buckle. I wish there was a bit more places to attach things, like poles or beaners.
I added a marine bungie cord through through the little material loops they had sewn in. The bungie cord made it easy to quickly have my buddy tuck my poles away on ladders etc., for me to hang my shoes for river crossing without getting my dirty shoes inside the pocket. Would be nice if the front pocket had a bit more stretch. Be nice if the awesome little side pocket on the one side of the pocket, was just a bit more roomy... hard to use once gear in the side pocket. But these are small details. It's a great pack... also 4.5lbs lighter then my old one. If you made a bigger one, I'd probably go for that one too... for longer colder hikes. Thanks a bunch for asking. Looking forward to my next hike with it.

Glad you're liking the pack. For the hipbelt buckle, we are using a new buckle there which is easy to use, but we have got some reports it can release to easily (e.g. bending over). We are changing back to the previous hipbelt to avoid this. So that is a limitation with the current buckle. If you want to swap the buckle, we can send out a different one and also Gear Aid and Sea to Summit have some 1' size buckles that can attach on without sewing.

For the loops, we've been steadily adding more. There are 6 around the front pocket now, 2 below the hipbelt (for bottom straps) and a few more along the front edge. They are a bit small but you can add loops of cord to them if you want to more easily clips things on.

Thanks for the kind words and feedback,
Dan

P
Patrick Lee
Gotta Have it, just the right design & weight!

Just received my Durston Kakwa 55 Medium Size Pack. Blown away at the quality, stitching, design, extremely low weight, yet ridged for supporting gear. Ultra Grid is definitely the right choice, great to the touch good looking fabric very durable finish. This pack is huge for only 32 ounces, the front web pocket will hold a ton of gear, zip pockets easily open with one had. Terrific piece of Gear. Dan, you really nailed this design thank you!

Thanks Patrick. Glad to hear the first impressions of the Kakwa are good.
- Dan Durston

G
Gary Tepastte
Backpack is excellent and exactly what I was looking for

Love my Durston gear

J
Jeremy T
Best base stash bag on the market

Love this pack for long alpine approaches! Removed the frame so it'll fit easily in the wingsuit! Highly recommended