Nike dri-fit club structured swoosh cap open the doors for the club cap. the structured, mid-depth crown keeps you feeling comfortable and secure. sweat-wicking fabric helps keep you dry and a tri-glide closure makes sure youâ€re set to go from 1 activity to the next with a fit thatâ€s just right. nike dri-fit technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. hook-and-loop closure is easy to adjust for a fit that feels just right. eyelets help airflow so you stay cool. more details body: 100% polyester. sweatband: 91% polyester/ 9% spandex. clean with damp cloth imported 100% polyester