Race jersey tuned and used at EWS races. Rich and durable graphics to give you courage at the starting gate. The shoulders and sleeves are made of extra lightweight material for maximum freedom and ventilation. Since you'll be pulling this piece out in really hot weather, the fact that the fabric has 50+ UPF sun protection comes in handy. A racing jersey equals a racing cut, don't forget that. Body: 100% Polyester, Sleeves: 90% Polyester + 10% Spandex