Mountain Hardwear Ratio 45 Sleeping Bag - Men's Shell: 33D Dobby (100% Nylon) Insulation: Q.Shield&trade; DOWN 650-fill; Loft: 3 in / 8 cm Lining: 30D Taffeta (100% Nylon) Stuffed Size: 7 in  14 in / 18 cm  36 cm Weight: 1 lb 10 oz / 733 g