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Our most versatile sleeping bag available, in colder temperatures you can cinch down the technical hood, zip up the draft-tube protected zippers and allow the 750+ Ultra-Dry Goose Down to keep you warm. In warmer conditions, the Free-Flow Zip system lets you unzip in different configurations for superior ventilation and even open up flat to turn the Ascent sleeping bag into a quilt on the warmest of nights. All of the above make the Ascent a true three-season backcountry bag, one of very few on the market. Close the snaps at the shoulders, open the footbox zipper and wear the Ascent at camp - hardcore adventures don't have to be hard all the time.
Features:
- RDS-certified, 750+ fillpower goose down with a non-PFAS Ultra-Dry Down treatment to stay drier in damp conditions
- Free-Flow Zip System offers excellent temperature regulation and multiple sleeping bag configurations
- Thermally-efficient, more relaxed mummy fit, room in the hood to fit an Aeros pillow and the option to zip couple with a compatible Sea to Summit Women's bag to deliver space for two comes standard
- Lightweight 20D recycled nylon shell with a non-PFAS DWR finish to protect against wind and moisture and a 20D recycled nylon liner for greater comfort
- Box baffle construction throughout with vertical baffles in the torso to minimize down shift and maximize the retention of warmth
- Sea to Summit Guarantee is offered for the Lifetime of this product
Tech Specs:
- Design Type: Backpacking
- Comes With: 40D recycled, bluesign APPROVED nylon compression bag
- Insulation: RDS certified, 750+ non-PFAS Ultra-Dry Down
- Shape: Relaxed Mummy
- Zip Options: Free-Flow zipper system
- Bag weight: 782g
- Compressed Volume: 5.5L
- Compression Sack: 8L
- Fill weight: 300g
- Fits up to height: 185cm
- Temperature rating (EN lower limit): -1C
- Women's temp rating (EN comfort): 3C
