The Castelli Men's Pro Mesh Short Sleeve Bike Base Layer is the Tour de France's winning base layer with a graphic print that shows your style on the inside. This base layer has been designed for pro cyclists that know the importance of the right base layer for any weather conditions. The Pro Mesh is made for the widest range of conditions and is designed to keep you dry in cool to mild temperatures. It features a graphic print so you can show off that you have something special when you open your jersey zip. Perform your best with the Castelli Men's Pro Mesh Short Sleeve Bike Base Layer!