NIKE Women's Dri Fit 2" Rival Running Short, Dynamic Pink, Medium, 624592 639 88% Polyester/12% Spandex Machine Washable Quick drying running shorts. Dri-Fit material wicks away sweat, keeping you cool and dry Wide contrast waistband provides a secure fit. 2" inseam. Zipper pocket on back for keys, etc. Built in briefs with lined gusset increases support for secure coverage and comfort Ventilated hem ensures breathability for cool, dry performance Fabric composition: 88% Polyester/12% Spandex. Waistband Fabric: 86% Polyester/14% Spandex.