Description FEATURES Ultra light weight Chillout fabric used xylitol to keep you cool and comfortable UPF 50 sun protection FIT Zoot products are designed to be RACE FIT to maximize performance and aerodynamic benefits. For a less compressive feel we recommend you size up. If you are between sizes, we recommend you size up. FABRIC Body: 90% Polyester / 10% Spandex, 140gm2