Men's Formal Business Leather ShoesSupport mixed batch, one piece delivery, distribution, retail [About mixed batch] One piece is 25 pairs, more than one piece supports mixed batch, if you have special reasons\requirements, please contact customer service. [About the size] Standard leather shoe size "For example, if you wear 41 for ordinary leather shoes, you can kiss this one and take 41" [About chromatic aberration] There may be slight chromatic aberration between the picture and the