Lightweight and versatile headband to help you tackle your workout.Features:UltraStretch technology: highly stretchable product designed for top comfort and performanceHeiQ Smart Temp technology:Revolutionary intelligent thermoregulation triggered by body heatCooling is activated by rising body temperature and deactivated once your cooling is completeUp to 2.5°C/4.5°F cooler fabric temperatureThis product contains 1 recycled plastic bottleUPF 50 certified sun protection against ultraviolet (UV) radiation produced by the sun. Samples of fabrics tested for UV protection in accordance with the international standardsElastic bonding prevents slippingLightweight for ultimate comfortWide design for better comfort and protectionMaterials: 95% Recycled Polyester 5% Elastane