This ultra-breathable tank features burnout mesh technology in key heat zones to help keep you cool and dry so you can train even harder on the hottest days. Its rich cotton-hand feel strikes the perfect balance of performance and comfort so you can stay focused on your workout. Accelerated drying: quick-dry layer so you can train harder. Supreme comfort: rich premium blend fabric provides ideal comfort for longer training sessions. Crewneck, Heather fabric: 65% polyester, 35% cotton blend.