Nike NPC Hypercool S/S - Men's Perform at your best without being slowed down. The Nike Hypercool T-Shirt is a performance top, meant to propel you to victory. It features Dri-FITŪ fabrics to keep you cool with engineered stretch fabric on body and mesh panels on back panel and under arms. This top is fitted for comfort. Mesh panels on back are bonded to reduce bulk. Swoosh design trademark at neck. 84% polyester/16% spandex. Imported.