Nike Dri-FIT Contour Short Sleeve T-Shirt - Men's Crank up the heat on your next workout knowing that Dri-FIT mesh fabric, knit from tight to loose, has been body mapped to provide cooling air flow and extreme breathability where you need it most. Seams are rolled forward to eliminate chafing. Body: 100% Dri-FIT® recycled polyester mesh. Panel/sleeves: 100% Dri-FIT® polyester. Imported.