SOL'S PHOENIX MEN, men's cotton-elastane polo shirt, 95% combed ringspun cotton - 5% elastane piqué 220, ribbed collar and cuffs, taped neck, short sleeves, fitted cut, 3 tone-on-tone button placket, side slits, cut and sewn, (1) grey melange : 82 % cotton / 13 % viscose / 5 % elastane, (2) charcoal melange : 56 % cotton / 39 % polyester / 5 % elastane, (3) heather oxblood : 57 % cotton / 38 % polyester / 5 % elastane, (4) heather denim : 57 % cotton / 38 % polyester / 5 % elastane. About sizes matching, please refer to the size chart in the product documentation section.