Louis Garneau Pro Sleeveless Semi-Relaxed Tri Jersey Medium Black/WhiteThe Louis Garneau Pro Sleeveless Semi-Relaxed Tri Jersey '11 is made of the ventilated, breathable, and chlorine-resistant Delfino fabric. Carbon-X Mesh inserts at the abdomen level work to keep turbulence close to the body and improve body sliding while in motion.775504227733