adidas Performance Men's Aero Knit Short Sleeve Tee 65% Polyester/35% Cotton Imported Ventilated climacool keeps you cool and dry Crewneck provides full coverage Back neck tape for a smooth feel Breakthrough breathability: Ultra-breathable burn-out fabric helps keep you cool so you can train harder Accelerated drying: Quick-dry layer draws sweat away from your skin Supreme comfort: Rich, premium-blend fabric provides ideal comfort for longer training sessions Regular fit