Filled with the highest quality 850+ Loft European Goose ULTRA-DRY Down™, and protected by 3D NanoShell™ windproof and water-resistant fabric, the Sea to Summit Alpine series is your cocoon in high altitude and arctic conditions.
Designed with a contoured mummy fit and anatomical shaped foot box, warmth is trapped close to the body without a claustrophobic feel. With an oversized neckcollar and hood-seal, drafts are kept out, minimizing heat loss around the face.A security pocket located inside the bag is easily accessible, ideal for stowing electronics to preserve battery performance in extreme cold. Using a side block baffle construction to maintain a 60/40 fill ratio means that more down is located in the top of the bag for maximum insulation.
- Thermally efficient mummy shape
- 3D NanoShell™ fabric
- Differential cut shell with 3D side walls
- Offset baffles
- 60/40 top/bottom fill ratio
- Side block baffle
- Anatomically tapered foot
- Zipper draft tube with Dacron anti-snag strip
- Neck draft tube with dual elastic adjustment
- Cushioned internal hood drawcord with dual adjustment
- 2 way YKK® #5 zipper
- Medium sized internal zipper pocket
- Includes lightweight Ultra-Sil® compression bag, mesh storage cell and laundry bag.
- Additional Information
Material Shell: 3D NanoShell™ 20D high density polyester ripstop weave with DWR
Lining: 20D polyester, soft touch
Insulation ULTRA-DRY Down™ 850+ Loft 90% Down Cluster Premium European Goose Down Temp Rating EN Comfort: 16 F / -9 C
EN Lower Limit: 5 F / -15 C
EN Extreme: -31 F / -35 C
Length Regular fits up to 6' 0"
Long fits up to 6' 7"
Shoulder Girth Regular: 60" / 154 cm
Long: 64" / 162 cm
Hip Girth Regular: 51" / 130 cm
Long: 53" / 136 cm
Foot Girth Regular: 40" / 103 cm
Long: 41" / 106 cm
Packed Size 10 Liters (For Size Regular) Weight Regular: 3lb 0oz / 1365 g
Long: 3lb 5oz / 1500 g
Zipper Type YKK #5 reverse zip Stuff Sack Sea to Summit Ultra-Sil® compression sack
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