The Nike Women's Half-Zip Running Top is a wind-blocking layer that will complete your running wardrobe. This front-zip top is an essential piece for Spring training runs, allowing you to adjust your ventilation level. Includes a cord management system for added versatility. Reflective insets on lower arm provide street-side safety. Swoosh design trademark at left shoulder. Body: 100% polyester wind barrier tricot. Mesh: 80% polyester/20% spandex. Imported.