Castelli Pro Mesh Sleeveless Base Layer X-Large GrayThe Castelli Pro Mesh Sleeveless Base Layer uses 3D Mesh Fabric to wick moisture away from your skin. The Sublimated Printed Graphics look fantastic when you unzip your jersey after a ride. The waist hem is engineered to stay flat under your shorts. Available in Gray, Orange, Pro Green, and Sky Blue.8055688609610