SOL'S STAR, men's polo shirt, 100% combed ringspun cotton piqué 170, rib collar, reinforcing tape on neck, reinforced buttons placket, long sleeves, ribbed cuffs, 3 tone on tone buttons, straight hem with side slits, cut and sewn, (1) grey melange : 85 % cotton / 15 % viscose. About sizes matching, please refer to the size chart in the product documentation section.