SOL'S SUMMER II, Men's Polo Shirt, 100% Combed Ringspun Cotton Piqué 170, Rib Collar, Reinforcing Tape On Neck, Reinforced Button Placket, Short Sleeves, Tone On Tone 3 Button Placket, Straight Hem With Side Slits, Cut And Sewn, Spare Button On The Inside Seam, (1) Ash : 98 % Cotton / 2 % Viscose, (2) Grey Melange : 85 % Cotton / 15 % Viscose. About Sizes Matching, Please Refer To The Size Chart In The Product Documentation Section.