Trekking, travelling and camping Insulation: 90% Goose down+Thermopuff Shell: 20D nylon Lining: 20D nylon High-density and lightweight fabric offers both softness and toughness Baffle construction evenly keeps the down in place Thermopuff insulation is filled in spots (shoulder, hip, feet) where the body and floor closely contacted for ideal heat retention Magnetic closure at collar for convenience durability Fill Power: 650FP Size: M(200*80cm)/L(215*84cm)