Naturehike, Thermal Duck Down Pants, Breathable Underwear for Men&Women, Outdoor Cold Proof Pants, Lightweight Winter sports down trousers，Elastic waistband，Windproof &Water Repellent.

【FILLING】: 90g high quality white duck down is selected as filling material, safe and comfortable and odorless. 【Down content】: 90% down content, 750 fluffiness, lightweight and no impurities. 【HIGH QUALITY FABRIC】: The fabric and lining are made of 20D 400T nylon, skin-friendly and soft. 【WATER REPELLENT】: effectively prevent wet and cold air from entering, highly efficient heat preservation. 【SUPER SMALL STORAGE VOLUME】: Can be carried around without taking up space. 【STRETCHY ELASTIC WAISTBAND】: comfortable to wear without strangling the waist. 【STRETCH WINDPROOF LEG CLOSING DESIGN】: prevent cold wind from entering the pants.