Sea to Summit presents the highly adaptable Ascent sleeping bag. When the cold strikes, cinch the technical hood, zip up the draft - tube protected zippers, and let the 750+ Ultra - Dry Goose Down, which is RDS certified and PFC free, wrap you in warmth. In warmer weather, the Free - Flow Zip system offers various unzipping options for great ventilation. On the hottest nights, open it flat to transform the bag into a quilt. This makes the Ascent a true three - season backcountry essential, a rare find in the market. At camp, close the shoulder snaps, open the footbox zipper, and wear it. It eases the rigors of hardcore adventures. Regular length weighs 1020 g/ 2.25 lbs, with a fill weight of 540 g / 19 oz. It has a mummy shape.














Using the Ascent sleeping bag is a breeze. In cold weather, pull the drawstrings on the hood tight and zip up the draft - tube protected zippers all the way. This will keep the warmth in. When it's warm, you can unzip the Free - Flow Zip system in different ways. On really hot nights, open it flat to use it as a quilt. At camp, close the snaps at the shoulders and open the footbox zipper to wear it like a cozy robe. For maintenance, always store the bag in a loose, airy place. Don't keep it compressed for long periods. Spot clean it when it gets dirty, and follow the care label instructions if you need to machine - wash it. Also, avoid sharp objects that could tear the bag.