Mountain Hardwear Women's Returnia Insulated Pants Nylon / Synthetic Imported A reliable, waterproof, windproof ski pant with plenty of synthetic insulation to keep you warm, and thigh vents to shed excess heat when things warm up 60 grams of Thermal Q synthetic insulation are tucked away beneath a smooth, flat face fabric to make the Returnia as good-looking as it is warm Waterproof/breathable Dry Q technology will keep you dry Versatile and comfortable Body Fabric: 2L Smooth Face Nylon