Fabric: Nike is known for classic polos engineered for maximum comfort. The Dri-FIT fabric technology delivers superior moisture management while the stitch-trimmed shoulder panels and gussets make a distinctive difference. Flat knit collar three-button placket and open hem sleeves. Pearlized buttons are selected to complement the shirt color. The contrast Swoosh design trademark is embroidered on the left sleeve. Made of 4.7-ounce 100% polyester Dri-FIT fabric.