The Nike Dri-FIT Pants are made with 100% sustainable materials, using a blend of both recycled polyester and organic cotton fibers. The blend is at least 10% recycled fibers or at least 10% organic cotton fibers. This product is made with 100% sustainable materials, using a blend of both recycled polyester and organic cotton fibers. The blend is at least 10% recycled fibers or at least 10% organic cotton fibers.