NIKE Women's Pro Hypercool Frequency Training Capris Black 725475-010 (M) 80% polyester / 20% spandex Style Number: 725475-010 Flat seams move smoothly against your skin Fabric: Body: Dri-FIT 80% polyester/20% spandex. Panels: Dri-FIT 85% polyester/15% spandex. Gusset lining: Dri-FIT 100% polyester. Machine wash