Smash on Sweat Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Cool Comfort The lightweight and breathable knit fabric is designed to limit cling as perspiration starts to build. Extra Mobility The wrap-around seam design at the shoulders helps limit restriction and keep you moving easy. More Details Ribbed collar and cuffs 100% polyester pit to pit 21" flat front length 28" back length 30"