Gore Bike Wear Men's Power Singlet,Black/White,Medium 92% Nylon/ 8% Elastane/ MESH:80% Nylon/ 20% Elastane/ Imported Sleeveless: For hot summer days. Oversized mesh inserts guarantee maximum ventilation. Slim fit 3-compartment patch pockets on back Slightly slanted back pocket at side for better access Flat-lock seams Full length zip with semi-lock slider Zip-underflap