Updated with a new design, fabric, and closer fit, our lightweight base layer wicks moisture to keep you dry and performing at your best when fast paced activities and serious sweat are in the forecast. . . . Techwick: Our go to base layer for any warm weather activity or indoor workout. New fabric and design: single knit polyester and stretch spandex fabric. Superior wicking pulls sweat away from your body to keep you dry. Dries quickly to keep you comfortable. Stretch fabric for freedom of movement. Odor resistant finish to keep you feeling fresh. Specially designed elastic waistband for a soft, comfortable fit. Flatlock seams for non chafing comfort. Crotch gusset. Do not use fabric softeners machine wash cold, gentle cycle tumble dry low. Imported.