THIS WEEK — Free shipping on US orders over $50 (details)

Special Edition - Beast28 Helium

Regular Price
Sale Price
Regular Price
Sold Out
Unit Price

Shipping calculated at checkout.
- +

The special edition Beast28 Helium is an ultralight packable frame pack engineered for technical outdoor pursuits. Updates include complete UHMWPE reinforced nylon construction, PU coated sealing zippers, and more.

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

- 28 liter capacity
- Reinforced ripstop material for extreme durability and tear strength
- Flexible frame that moves with your body
- Removable hip belt with zipper pockets
- Adjustable sternum strap
- Dual compartment design with half clamshell main zipper
- Hydration compatible
- Gear loops for hiking poles, ice axes, or other alpine tools
- Hypalon™ reinforced external daisy chain
- Two oversized 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 6oz (625g), weight includes frame and hipbelt
Unpacked Dimensions: 11 x 22 x 7in (27.9 x 55.9 x 17.8cm)
Packed Dimensions: 9 x 9 x 3.5in (22.9 x 22.9 x 8.9cm)

- Sealing YKK® zippers and hardware
- EVA foam padded back, shoulder straps, and hip belt
- Bartack reinforced construction, 210D nylon thread
- PU coating, Waterproofing
- UTS coating, Adds up to 30% increased tear strength over traditional coatings

Outer Materials
- 70D Robic® nylon UHMWPE (Ultra-high-molecular-wight polyethylene) reinforced ripstop, PU waterproofing

Inner Materials
- Robic® high tenacity nylon, UTS coated, DWR finish

What is special about the Beast Helium compared to the standard Beast Series packs?
The Beast Helium is built entirely from ultralight 70D UHMWPE reiforced nylon. It also features sealing zippers. The Helium is lighter, has increased waterproofing, and is tear-proof.

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 dark gray background wearing Beast28 Helium with trekking pole and ice axe attached

Lighter, faster, stronger

Ultralight frame pack featuring hydration sleeve, gear loops for alpine tools, and daisy chains for additional external storage. 625 grams total weight and built from Ultralight UHMWPE-reinforced Robic® nylon and rugged YKK hardware.

Man in gray jacket, pulling down backpack straps

Flex comfort

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

3/4 view of Beast28 Helium backpack on dark gray background

Ultralight ripstop material

Built with 70D Robic® nylon UHMWPE (Ultra-high-molecular-weight polyethylene) reinforced ripstop with PU waterproofing offers tearproof performance.

Spring steel frame on black background

Flexible frame suspension

The Beast28 Helium features an innovative spring steel frame, which provides both structure and packability. The flexible frame suspension provides comfort and torsion with movement.

Close up view of hands zipping backpack

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 zippered pockets inside protect smaller items.

Placing hydration reservoir in 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 625g, the Beast28 Helium is a fully capable alpine pack that packs down for travel.