LE3NO Womens Active Zip Up Long Sleeve Mock Neck Workout Sports Running Jacket 88% Polyester / 12% Spandex Breathable, four-way stretch material feels soft on the skin and allows a wide range of motion / Moisture-wicking fabric helps pull sweat away and keep your dry post-workout Smooth flatlock seaming won't rub or irritate skin Thumbholes keep your sleeves in-place and make layering easy / Mock neck helps keep your chin from getting chafed Machine wash cold / Only non-chlorine bleach /Do not tumble dry / Line dry with like colors / Do not iron Please look at the measurements below for guidance