Front body and sleeves: 6.5 oz. 87% polyester 13% spandex Dri-FIT jersey. Back body: 5.6 oz. 91% polyester 9% spandex Dri-FIT mesh with graphic print. 6.5 oz. Dri-FIT fabric to wick sweat away and help keep you dry and comfortable. Partially perforated, striped collar and snap placket for classic polo style. Open sleeves for an enhanced range of motion. Mesh fabrication for ultimate in mobility and breathability.