UltraStretch technology: highly stretchable product designed for top comfort and performance., Knitted polyester fabric with a special honeycomb construction and highly breathable properties. It dries quickly providing comfort during high intensity activities., Designed to improve visibility in low-light conditions. Retro-reflective tech to glow when receiving light., Designed to wick away moisture in an efficient and fast way. Ideal for high intensity activities., 94% Polyester, 6% Elastane.