Lafuma Warm'N Light 600 Sleeping Bag 100% Duck Down Imported Duck down filling 90/10 150g (fill power 600+ cu.in.) Waterproof polyamide 40D on bottom outer envelopeand polyamide D 318 T mini ripstop water-repellent treatment on top outer envelope Ripstop 40 D 310 T Tactel Nylon lining and polyester 50 D 300 T 1 lb 8 oz 40 Degree Farenheit Bag