This Versalite is the warmest in our *ExtremeLite* series! A solid 3-seasons of bike touring or kayaking is at your fingertips with this bag. The VersaLite sports 20 oz. of high lofting 850+ goose down for 6? of loft and a temperature rating of 10?. A Super Full Collar will seal in the warmth and protect you from the cold. 62? of shoulder girth is roomy enough and the total weight is only 2 lbs.