Pishon Men's Double Breasted Waistcoat Business Slim Fit Suit Separate Vest(XS-XL) Shell:76%Rayon/24%Nylon; Lining:100%Polyester Imported Button closure Dress vest, Separate vest, 2 welted front pockets, Satin back with adjustable belt, Slim fit Double-breasted design and 8 button front suit vest Best for casual wear or business wear The size you order is US size. Please ignore the size on tag which is for Asian. Dry wash only