performance comfort and superior ventilation. the lebron outdoor tech sleeveless men's basketball shirt is made with sweat-wicking fabric that helps keep you dry and allover mesh for maximum breathability on and off the court.. benefits. dri-fit fabric to wick sweat away and help keep you dry and comfortable. wipe zone on interior chest to dry sweat from face. v-neck for a comfortable fit. allover mesh construction for maximum breathability. contrast panels for athletic style. screen prints for signature style. product details. fabric: dri-fit 100% polyester. machine wash.