Nike Pro Core 3" Zigzag Women's Shorts #613617-603 100% polyester 3" inseam based on size medium Fabric: Body: Dri-FIT 80% polyester/20% spandex. Gusset: Dri-FIT 100% polyester. Machine wash Strategically placed flat seams move smoothly against your skin as you work out. The elastic waistband lays flat for a smooth, flattering fit.