Nike Men's Dri-FIT Training Shirt, Deep Royal Blue/Obsidian/Black, SM 100% Polyester 15 centimeters wide Dri-FIT/STAY COOL ultra-soft fabric wicks away sweat to help keep you cool, dry and comfortable during your workout Back neck tape moves smoothly against your skin Ergonomic seams for natural range of motion The knit construction offers a lightweight feel that won't weigh you down during everyday workouts The drop-tail hem enhances coverage