This layering piece actually aids in lowering your body temperature on those extra hot training days. The tank wicks sweat away, while acting as a barrier between your body and jersey, allowing the breeze to keep you cool. Features Nylon/Elastane/Polyester yarns blended for the ideal cooling formula. Light and functional material. Durable with elasticity for comfort. Optimal for any workout activity. Quick dry properties. Open knit design. Jacquard logos.