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Beast18 Ultralight Technical Backpack

Beast18 Ultralight Technical Backpack - Main image
$83.69 $134.99 In stock

Category: Backpack

The Beast18 is an ultralight packable frame pack engineered for technical outdoor pursuits.

- 18 liter capacity
- Flexible frame that moves with your body
- Removable hip belt
- Sternum strap, detachable
- Wrap around zipper on main compartment
- Hydration compatible
- Gear loops for hiking poles or ice axes
- Hypalon™ reinforced external daisy chain
- 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: 18 liters
Weight: 1lb 5oz (595g)
Unpacked Dimensions: 10 x 20 x 6.5in(25.5 x 50.8 x 16.5cm)
Packed Dimensions: 9 x 9 x 3.5in (22.9 x 22.9 x 8.9cm)

Materials
- 210D Robic® high tenacity nylon, UTS coated, DWR finish
- 100D nylon, PU coated, DWR finish
- 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

Back view of woman on gray background wearing Beast18 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 5oz total weight, and built with Robic nylon and rugged YKK hardware.

Twisted Beast18 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

Packable

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 Beast18 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 5oz, the Beast18 makes it easy to take a fully capable alpine pack with you wherever you go.

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Victoria ★★★★★

I've been using this as my daypack for fast hikes and the removable hip belt is the detail that sold me, since I can strip it down for shorter runs. The flexible frame actually moves with my back instead of digging in on steep climbs. Fits way more than the 18L suggests.

Eli E. ★★★★★

Took this on a 12-mile ridge scramble and barely noticed it was there — the flexible frame really does move with your body instead of fighting it. The detachable sternum strap is a nice touch too, and I love that I can strip the hip belt off for quick day hikes.

Ava M. ★★★★★

The removable hip belt is what sold me, since I mostly use this for quick day hikes and don't want the extra strap bulk on shorter trips. The flexible frame really does move with you on scrambles instead of digging into your back. Packs down small enough to cram into my larger bag for travel days to