SOL'S PERFECT MEN, men's polo shirt, 100% combed ringspun cotton piqué 180, rib 1×1 collar and cuffs, reinforcing tape on neck, short sleeves, pearlised tone on tone 2 button placket, cut and sewn, spare button on the inside seam, (1) ash : 98 % cotton / 2 % viscose, (2) grey melange : 85 % cotton / 15 % viscose, (3) charcoal melange : 60 % cotton / 40 % polyester, (4) heather oxblood : 60% cotton / 40% polyester, (5) heather denim : 60% cotton / 40% polyester. About sizes matching, please refer to the size chart in the product documentation section.