Nike Hyperwarm Tights The Nike Pro HyperWarm Tights combine sweat-wicking thermal fabric with ventilation in high-heat areas to help you stay warm without overheating during training or competition. Benefits Nike Pro HyperWarm technology helps you stay warm without overheating. Waistband provides a smooth fit that stays in place. Seams follow the natural curve of your body for a flattering look. Black Elastic Waistband Product Details Thermal fabric Built-in shorts Fabric: Body: 87% polyester/13% spandex. Panels: 83% polyester/17% spandex. Shorts: 92% polyester/8% spandex. Gusset lining: 100% polyester. Size: XS