Gore Men's Size Chart The Power Singlet has a sleeveless cut for hot summer days. Oversized mesh inserts guarantee maximum ventilation. It has a full length front zipper, close-fit collar, and 3 rear pockets for storage. Features: - 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 - Close fit collar - Mesh inserts for ventilation under arms and in back - Gripper elastic on bottom hem - Reflective piping on back - Reflective logo on front - Main body: 95% Polyamide, 5% elastane, Mesh: 80% nylon, 20% elastane