The Nike Women's Pro Pattern Tights are designed with lightweight, breathable Dri-FIT fabric and flat seams for minimal irritations during play. They work very well worn alone during practice rounds or as a base layer during competition. Additional features: Body: Dri-FIT 88% polyester/12% spandex Gusset lining: Dri-FIT 100% polyester Dri-FIT fabric to wick away moisture and help keep you dry and comfortable Wide stretch waistband for comfort and a flattering, supportive fit Flat seams for minimizing irritation due to chafing Lined inseam gusset for range of motion and enhanced comfort Machine washable