The Nike Men's Hyperspeed Flash Short Sleeve T-Shirt in blue boasts a lightweight construction and is made from Dri-FIT fabric which will wick moisture away from your skin to keep you feeling cool and dry. Featuring flat seams to prevent chafing and irritation the T-shirt also has strategically-placed mesh panels which improve ventilation and breathability whilst the rib crew neck offers added durability and comfort. - L.M. Features: Nike Men's Hyperspeed Flash Short Sleeve T-Shirt Lightweight..