The 2XU Compression Full Zip Sleeved Mens Trisuit is designed with PWX Vent to lower body which offers support whilst improving air flow by almost 200% whilst Swiss Coldblack technology on upper body reduces absorption of heat rays and provides UV protection to keep you at optimal performance temperature. Muscle Containment Stamping (MCS) traces quadriceps; dissipating the load transfer on the knee joint during running. Powerful, lightweight PWX fabric with circular knit 360-degree stretch, reduces muscle movement and prevents fatigue. The 3D mesh structure of premium Italian SBR VENT through upper body provides exceptional aerodynamics and is ergonomically engineered to fit to your body like a second skin. Pro LD Chamois - Made from low profile 90 density 6mm high impact perforated foam, this chamois provides support in the aero position and is quick-drying for less bulk on the run. Easily accessible rear pockets provide adequate storage for your race-day essentials. Colour: Black Material: Nylon Code: MT5516d-BLK-BLK