The Nike Yoga Trousers give you a lightweight, comfortable layer for the mat. Soft fabric stretches around the waist and the ankles to keep it in place as you move. This product is made from at least 75% sustainable materials, using a blend of both recycled polyester and organic cotton fibres. The blend is at least 10% recycled fibres or at least 10% organic cotton fibres. Sweat-Wicking Power Soft, stretchy fabric with Dri-FIT Technology moves sweat from your skin for quicker evaporation to help you stay dry and comfortable. Stay-Put Comfort An elastic waistband helps keep the trousers in place as you move. A drawcord lets you adjust your fit and feel. Handy Storage Side pockets keep your thing close and your hands warm. Another zipped pocket on the right stores your phone.