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Firn 28L Backpack
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Warning: California Proposition 65
Streamline backcountry transitions with the Firn 28L Backpack—built for ski-mo speed
What Our Gearhead® Experts Are Saying:
"I love how the Firn carries like a running vest but still packs all my ski mountaineering essentials. The ski lasso system is a game-changer—I can stow skis without stopping, which makes transitions so much faster. Plus, the crampon pocket and avy tool storage are right where I need them."
When we’re chasing dawn patrol turns or sprinting to tag a summit before work, the Osprey Firn 28L Backpack becomes our ultimate companion. Designed with insights from alpine athletes, it blends the close-to-body comfort of a vest-style harness with the technical storage we need for fast-moving mountain days. The ambidextrous ski lasso system lets us stash skis on the go, while a flexible snow-shedding backpanel keeps the load stable and light as we scramble, skin, and descend.
Every detail of the Firn is dialed for alpine efficiency. From the quick-access crampon pocket and avy tool compartment to the detachable helmet net and reinforced ski loops, this pack is built for steep ascents and fluid transitions. With its carbonate-coated fabric and bluesign®PRODUCT construction, it’s both tough and responsibly designed—ready for countless missions into pristine backcountry terrain.
Details
- Lightweight ski mountaineering backpack for fast alpine missions
- Vest-style harness keeps load secure with on-body access to essentials
- Ambidextrous ski lasso carry system allows stowing skis without removing pack
- Front panel avalanche tool pocket for organized safety gear
- One-handed direct-access crampon or skin pocket for smooth transitions
- Snow-shedding backpanel maintains stability and comfort in deep snow
- Detachable helmet net and reinforced ski loop add versatility
- HDPE framesheet provides optional support with removable stay
- Item #OSPZ1P0
- Responsible Collection
- Bluesign® Product
- Material
- bluesign® approved 100% recycled 210D nylon main and bottom, 70D recycled nylon lining, PFAS-free DWR
- Volume
- [S/M] 28L (1709cu in), 30L (1831cu in) [M/L]
- Support/Suspension
- HDPE framesheet with single stay (removable), Atilon foam with ridge EVA padding, snow-shedding stretch woven fabric
- Shoulder Straps
- Vest-style harness with perforated EVA padding, stretch woven fabric, organizational pockets
- Waist Belt
- EVA foam padded with stretch pocket (left) and gear loop (right)
- Access
- Top cinch closure with protective flap
- Pockets
- Avalanche tool pocket, on-body accessible skin/crampon pocket, phone/GPS pocket, vest harness storage
- Ski Carry
- Ambidextrous ski lasso system, reinforced loop with garage
- Snowboard Carry
- no
- Helmet Carry
- net
- Ice Axe Carry
- Dual attachments with stabilizing strap
- Dimensions
- [small/medium] 21.7 x 11.4 x 10.6in, [medium/large] 22.8 x 11.4 x 10.6in
- Claimed Weight
- [small/medium] 2.44lb, [medium/large] 2.58lb
- Activity
- backcountry skiing, randonee
Built For The Long Haul
Osprey Packs focuses on one thing: packs that fit just right, carry comfortably, and hold up to years of use. Osprey stands for gear you can trust enough to forget about until the adventure’s done.
Cancer - P65Warnings.ca.gov