Main Fabric: 100% Polyester / / Main Lining: 100% Polyester / / Filling: 100% Polyester / / Faux Fur: 100% Polyester. The girls' Rossignol Polydown Ski Jacket features high-loft synthetic insulation in the body for down-like warmth and easy care. A waterproof, breathable membrane seals out stormy conditions to keep her dry, while ski-day details like adjustable stretch cuffs and a built-in snow skirt keep out cold and snow.