Kakwa 55

Sale price$199.00 USD

Size: Large
Fabric: UltraGrid

The Kakwa 55 has been updated for 2025 with larger shoulder strap pockets, larger hipbelt pockets, a more ergonomic design for the hipbelt and shoulder straps, and 1 oz reduction in weight. These packs are in stock now in both UltraGrid and Ultra 200X fabrics (see FAQ for differences) except some sizes in Ultra 200X are sold out until early December. Updated pictures coming soon.

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 quality, 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: 28.5 oz (S), 29.8 oz (M), 30.6 oz (L)

UltraGrid: 28.9 oz (S), 30.3 oz (M), 31.2 oz (L)

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Complete Pack (g)

Ultra 200X: 810g (S), 845g (M), 870g (L)

UltraGrid: 820g (S), 860g (M), 885g (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 425 reviews
89%
(380)
7%
(30)
3%
(11)
1%
(4)
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J
John
Kakwa 55 Review and Mods

Love the pack so far, robust material, great stitching/craftsmanship, feels super light. I purchased an additional sternum strap as some have suggested to clip the roll top down each side, so you can have fewer rolls and a little more space, worked great. I found it difficult to reach a smaller .6L water bottle from the right side pocket, so I looped some cordage around the water bottle neck to pull it out and put half a Pringles can in the pocket to fight the elastic a little less when returning it, turns out a Smart Water bottle fits nearly perfectly into a Pringles can. Looped cordage/carabiner to the internal frame to clip in my keys/wallet. Love all the loops for cordage, etc, I think I want a bottom pocket like the Wapta, may try attaching mesh/cargo netting to the four loops at the bottom to test it out. Would like to see you apply your Wapta technology, heat fusing, etc, to your Kakwa line in the future. Thanks Dan again for providing high quality, well thought out gear at very reasonable prices! Can't wait for the X-Dome to arrive!

J
Joseph McGowan
Kakwa 55

I bought this pack to undertake multi day treks. I have been using it 3 or 4 times a week as I train to get my fitness levels up. I put 12kg in it. It does everything that was claimed in the sales and you tube reviews. I can’t think why anyone would want to carry a pack that is 2 or 3 times heavier than the Kakwa. For me the pack is a pack, I want to tramp and be outside. If I can have gear that allows this I love it. I don’t want the gear to dominate by failure or be burdensome. Durston gear fits me perfectly and is great value. Thankyou

J
John ward
Great product e

Excellent product if I may make a suggestion for in my humble opinion more elastic on the sides
Ix z elastic all the way up

T
Thomas Kendall
The 55

Love my 55. Fits like a glove, packs everything including a bear lunchpail.

A
Anonymous
最高のザックです

軽い、そして腰の密着、それぞれのポケットの使いやすさ、デザイン、どれも素晴らしいです。
Kakwa 55 Packを買いましたが、軽い登山からテント泊まですべてこのザックを持ち歩いています。

これからも最高の製品を期待しています。