ATF PIERROT, UNISEX POLO SHIRT, 100% organic cotton, Textured piqué, Ribbed collar with neck tape, Reinforced placket with 2 buttons, Short sleeves with ribbed cuffs, Longer back (+2 cm) and side slits, Cut and sewn, Spare button sewn on inner side seam, Comfortable fit. About sizes matching, please refer to the size chart in the product documentation section.