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Details & Specs
Camping in winter conditions, or in an alpine environment requires a serious sleeping bag. Enter the Sea to Summit Alpine Ap2 Sleeping Bag which sports an EN comfort rating of -12°C.
This bag has a waterproof yet breathable NanoShell to keep the RDS certified 850+ Loft ULTRA-DRY premium goose down dry and ready to loft up when you need it. This bag has a contoured mummy design for efficient insulation, expedition sizing for space to wear extra layers and an oversized footbox to accommodate your boots. For easy access, there’s a full length two-way left side zip and a half zip on the right to free up your arms or ventilate if necessary.
The vertical baffles on the chest prevent down migration and cold spots, the side block baffles keep the 60/40 fill ratio, and an oversized neck collar and snug hood maintain warmth. To prevent heat loss through the zipper, this bag has an oversized zipper draft tube with anti-snag materials to make it easy to use. You can also keep your devices warm so that they perform in the field inside the internal security pocket.
If you’re sleeping in high altitude or snowy conditions, the Sea to Summit Alpine Ap2 is the bag you can rely on to perform in those environments.
-12°C comfort rating, -20°C lower limit
Contoured mummy design for insulation
Expedition sizing to accommodate extra clothing layers
Oversized footbox spacious enough for your boots if required
RDS certified 850+ Loft ULTRA-DRY premium goose down
Waterproof/breathable NanoShell™ fabric protects against moisture and wind
Full length two-way left side zip for access and a half zip on the right side for ventilation
Vertical baffles prevent down migration and cold spots
Oversized neck collar and snug hood maintains warmth
Internal security pocket
Not designed to pair with another bag
Storage cell and compression bag included
Snowys Comfort Rating:
Fill Ratio Top/Bottom:
Max. User Height:
160 cm Chest | 142 cm Hip | 131 cm Foot
212L x 83W cm
50L x 23W cm
NanoShell™ | Waterproof and Breathable
RDS 850+ Loft Premium Goose ULTRA-DRY Down™
Zip Draft Tube:
Neck Draft Tube:
With dual elastic adjustment
YKK #5 | Free-Flow 1/2 Right | Full Length Two-way Slider Left