Nike Pro Dri-FIT Men's Slim Fit Short-Sleeve Dri-Fit Top Built-In Breathability Mesh over high-heat areas at the back, sides and underarms lets air flow to help keep you cool when the action heats up. Sweat-Wicking Power Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Movement Minus Distractions Lightweight, stretchy fabric with vents at the hem helps you move naturally during high-intensity set In great condition Size medium Pit to pit 18.5in Length 28in A808