polyester & Spandex Zipper closure Material: polyester, Spandex. Lightweight, warm, durable, comfortable Zip fly and button closure. Elastic waistband to allow the maximum comfort. (No belt) Thicken fleece lining and reinforced knees, more freedom and warm when active. Zipper pockets: Two front pockets, one rear pockets, one hidden zip pocket on the thigh to keep your items safe. Warm and pretty in cold weather. Perfect for daily wear and outdoor activities like skiing, snowboard, hunting,camping,climbing, hiking,cycling,fishing travelling,mountaineering,biking,adventure, training and so on.