Shimano 2014 Men's Touring Short Sleeve Cycling Jersey - ECWJSTSMS41M (Black - XL) Size X-Large Heat ventilation system. Wicktex fabric Eyewear dock + wipe. Large zippered back pocket 360 degree reflectivity. 1/2 zip for extra heat regulation Main body : 100% Polyester Mesh part : 96% Polyester, 4% Elastane