Castelli Pro Mesh M Short Sleeve Base LayerFrom the burning heat of summer Tour de France stages to cooler spring cycling conditions, the Castelli Pro Mesh M Short Sleeve Base Layer has been tried and tested to give you unsurpassed moisture wicking perfomnce. Your base layer is crucial in keeping you comfortable when you’re cycling, preventing sweat from making you uncomfortable damp and chilly, even in warmer weather. The key to the rapid sweat-wicking performance Pro Mesh M Short Sleeve Base Layer is its 3D mesh fabric construction. This increases surface area to boost wicking performance while also allowing air circulation for evaporation. It’s the ideal pick for cooler to warm weather and even works well worn under a heavyweight base layer in winter. And a graphic print looks good when you unzip your jersey. Features:Materials: 100% Polyester3D mesh fabric for excellent moisture managementSublimated print graphicWaist hem stays flat under your shortsSuggested temperature range: 15 to 28degrees CBuy Castelli Clothing from Chain Reaction Cycles, the World’s Largest Online Bike Store.