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Beast28 Ultralight Technical Backpack

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The Beast28 is an ultralight packable frame pack engineered for technical outdoor pursuits.

Best For: Long distance carry and trails
28 liter capacity
Hydration compatible
Includes compression storage sack for travel
Qualifies for free shipping (USA)

- 28 liter capacity
- Flexible frame that moves with your body
- Removable hip belt with zipper pockets
- Sternum strap, detachable
- Wrap around zipper on main compartment
- Hydration compatible
- Gear loops for hiking poles or ice axes
- Hypalon™ daisy-chains
- Water bottle pockets
- Two internal pockets and key loop for securing small items
- Padded breathable mesh shoulder straps and back panel
- Compression storage sack for travel

Volume: 28 liters
Weight: 1lb 8oz (680g)
Unpacked Dimensions: 22 H x 11 W x 7 D in
(56 H x 28 W x 18 D cm)
Packed Dimensions: 9 x 9 x 3.5in (22.9 x 22.9 x 8.9cm)

- 210D Robic® high tenacity nylon, UTS coated, DWR finish
- 100D Bluesign® nylon ripstop, PU waterproofing
- YKK® zippers and hardware
- EVA foam padded back, shoulder straps, and hip belt
- 210D nylon bonded thread with Bartack reinforced construction

Coating Specs
- UTS coating (ultra tear strength): waterproofing and tear strength increase of 30%
- PU coating: waterproofing

Are Beast Series Packs waterproof?
Beast packs are built from waterproof materials and can withstand light or short rain. For more waterproofing, we suggest the Advanced Series

What kind of frame does the Beast Series have?
Beast Series Packs feature a stainless hoop frame that disperses weight from the shoulders to the hip belt. The frame is rigid vertically, but twists right to left to move with your body if your navigating rough terrain or scrambling.

Does this pack have a hip belt?
Yes, the hip belt is removeable.

What is the difference between the Beast18 and Beast28?
The Beast18 is 18 liters. The Beast28 is 28 liters and additionally has zipper pockets on the hip belt. The hip belts are interchangeable.

How does this backpack stow for travel?
The flexible frame allows you to twist and fold the pack into the included storage bag. For detailed instructions, the demo video shows this process step by step.

Is the Beast hydration compatible?
Yes. The Beast has a hydration reservior pocket, hangers, hose exit, and house routing features.

Will the Beast fit a laptop?
The Beast will fit up to 14" laptop and tablets

Will the Beast side pockets fit large water bottles?
Yes. The side pockets easily fit large water bottles, even Nalgene bottles and 1 liter bottles.

Does this bag have a warranty?
Yes, this product is warrantied for 3 years. Bags in and out of warranty are eligible for repairs.

Warning: This product can expose you to chemicals including DMF which is known to the State of California to cause cancer. For more information go to

Back view of man on gray background wearing Beast28 with trekking poles and ice axe attached

Fully featured technical pack

Ultralight frame pack featuring hydration sleeve, gear loops for alpine tools, and daisy chains for additional external storage. 1lb 8oz total weight, and built with Robic nylon and rugged YKK hardware.

Twisted Beast28 backpack on light gray background

Flex comfort

Built-in steel frame suspension system moves with the body during activity. Adjustable hip belt and sternum strap distributes heavy loads evenly.

Hands cinching Beast18 into compression sack


To pack, twist and fold the pack in half and secure in the included compression sack. To unpack, remove from compression sack and the spring steel frame instantly restores the shape of the pack.

Spring steel frame on black background

Flexible frame suspension

The Beast28 features an innovative spring steel frame, which allows for both structure and packability. The flexible frame suspension provides comfort and torsion with movement, for an agile fit that moves with you and distributes loads evenly. When not in use, simply twist and fold the frame, and secure into the compression sack. The spring steel frame bounces back into its original shape when released.

Man on black background holding beast18 pack open

Organization on the trail

The main compartment features an asymmetrical clamshell zipper, making it easy to access the larger items at the bottom of your pack. An oversized front compartment extends to the bottom of the pack, while a zippered pocket inside protects your smaller items. Safely store valuable items in the small interior pocket with keyloop.

Man placing hydration bladder into beast18 backpack

Hydration compatible

An internal hydration sleeve accommodates most 1-3 liter reservoirs, with hose routing features on both shoulder straps for a customized fit.

Hands cinching Beast18 into compression sack

Stow for transit

Easily twist, fold, and store the pack in the included compression sack for travel. Ultralight at just 1lb 8oz, the Beast28 makes it easy to take a fully capable alpine pack with you wherever you go.

Customer Reviews

Based on 28 reviews
Robert P.
Great pack

I’ve only used a few times but really like this pack. Great features and lighter than most other packs in this category. Added some shock cord to lash a raincoat to the outside. Very pleased overall

Whitney K.
Too long in the back

I love the lightweight feel but the back is too long & not adjustable so pulls on my shoulders in the wrong place and rubs on my neck when full. I’m 5’ and reached out to the company to ask about other products and how to return with no response yet so not thrilled since it was so expensive.

Might be the perfect pack

I've been using this since it first came out, so six years now?. Personal carry on for travel, hikes with the dog, inbounds ski pack, day pack at festivals, extra luggage, work bag, farmers market bag, tool carry, etc. Not one tear or broken plastic bit. It's so good I never even bother with the packability feature. I had one of Matador's first packable bags, and one glaring issue it had was the water bottle pocket size. That was resolved here, and I regularly carry two full 48 oz nalgenes without issue. The front pocket has great space for stuffing, the frame/straps/belt are all comfortable and carry up to more weight than anyone would be able to fit, and pretty breathable to boot. It's not waterproof, but it gives a reasonable amount of resistance to getting things wet for a zippered bag. I've even managed to get a janky diagonal ski carry using the front daisy chains.

If there is one con I've had, it's the hydration system. There's a large buckle which closes the bladder sleeve like a laptop sleeve, and two small buckle loops on either side. It should be a good system, but many bladders (like my older CamelBak, hydrapak, or platypus) are made with a hook, or otherwise don't have a place to loop that the buckles will fit through. It's not possible to tighten the loops at all so my bladders always slipped off, making the bag a little more awkward. But that's it.