Nike Champ Hypercool 3.0 Tights - Men's When the game is on the line and you need to keep your cool, you can rely on pro-grade gear from Nike. Allows for a great range of motion and comfort. Mesh insets are strategically placed in high-heat zones for enhanced ventilation. Flat seams help reduce chafing. Ergonomic seaming maps the natural contours of the body for added comfort. Dri-FIT® 92% polyester/8% spandex. Imported.