The Nike Pro Warm Half-Zip Top provides a sweat-wicking base layer that keeps you warm no matter what. Nike Pro Warm fabric traps body heat for a natural warming sensation in cold weather. The half-zip design allows for custom cooling as you sweat. A mock neck enhances coverage, while thumbholes at the cuffs help lock in warmth and keep the top in place during training movements.• Reflective dot graphics change color in different lighting.• Half-zip design features thumbholes and a mock neck for style and a custom fit.• 87% polyester/13% spandex. Imported.