Lafuma Warm 'N Light 600 Sleeping Bag 100% Duck Down Imported Filling: White goose down 90/10 150g (fill power 650+ cu.in.) Outer envelope: water-repellent treated micro mini ripstop polyamide 40 D 318 T Lining: Ripstop 40 D 310 T Tactel Nylon 1 lb 6 oz 40 Degree Farenheit Bag