2003981 Mountain Hardwear Men's Stretchdown Light Shacket When you look out the window and wonder whether it's a flannel or a puffy kind of day, the Stretchdown Light Shacket says yes. Designed with Mountain Hardwear's exclusive inter-woven stretch baffle construction and 700-fill RDS-certified down, this warm, casual top offers the ideal balance of technical and casual-perfect for car camping trips, winter travel and cold days in town.