Mountain Warehouse BRUMAL WOMENS SKI JACKET Fully Waterproof - Waterproof and breathable membrane to allow perspiration out, but keep you dry. Taped seams make this garment fully waterproof. Breathable - IsoDry fabric with highly breathable membrane to allow perspiration out Extra Ventilation - Underarm ventilation zips Windproof - Insulated and windproof Snow Skirt - Helps prevent snow entering jacket; detachable