Size & Fit Standard fit is athletic and relaxed Product Features Lightweight, ultra-breathable open-hole fabric feels smooth to the touch Nike Dri-FIT ADV combines moisture-wicking fabric with advanced engineering to keep you dry and comfortable Non-reflective Nike Swoosh logos won't catch flash photography during the race Bonded seams on the shoulder reduce bulk for a lighter feel100% polyester Machine wash The Nike Aero Swift Dri-FIT ADV Running Top is imported. Push the pace and stay fresh from the first mile to the last in the Men's Nike Aero Swift Dri-FIT ADV Running Top. Crafted with Nike's most advanced performance technology, this strategically engineered top features ultra-lightweight, breathable fabric and Dri-FIT ADV moisture management, keeping you cool and dry as the miles heat up. Nike Men's Aero Swift Dri-FIT ADV Running Top in Sapphire/Black Size: Small