SOL'S PLANET MEN, Men's Polo Shirt, 100% Organically Grown Cotton Pique 170, Ribbed Collar , Taped Neck, Reinforced Button Placket, Short Sleeves, 2 Tone-On-Tone Button Placket, Straight Bottom, Cut And Sewn, Spare Button Sewn On Inner Side Seam. About Sizes Matching, Please Refer To The Size Chart In The Product Documentation Section.