The Nike Dri-FIT Trousers are made from 100% 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 Comfort French terry fabric with Dri-FIT Technology moves sweat from your skin for quicker evaporation to help you stay dry and comfortable. Streamlined Design The tapered legs mean no loose ends around your feet so you can focus on your workout. The elastic waist with drawcord keeps the trousers in place while you move.