SOL'S PRIME MEN, MEN'S POLYCOTTON POLO SHIRT, 65% polyester - 35% Ringspun cotton, Easy care PIQUÉ 200, Rib 1x1 collar and cuffs, Reinforcing tape on neck, Short sleeves, 3 tone on tone buttons, Shoulders with reinforced seams, Cut and sewn, Spare button on the inside seam.About sizes matching, please refer to the size chart in the product documentation section.