The Nike Men's Hyperwarm Compression Mock Top is designed to repel rain and keep you warm in any weather conditions. Made from Dri-Fit Max fabric this compression top wicks sweat away from the skin to prevent chill. It features large ventilation in high heat zones to help control temperature. Additional features include a low neck for full range of motion and strategically placed flat seams minimise irritation and chafing. The Hyperwarm Compression Top includes two layers with larger fibres near to the s..