FLATSEVEN Mens Slim Fit Business Casual Premium Vest Waistcoat 70% Polyester, 30% Rayon Imported Sleeveless wearable, grab the style even at business meetings. No need to jackets, wear all kind of plan and checked dress shirts. 4 button closure and 2 welt pockets adjustable back buckle and dress vest SIZE UNIT IS DIFFERENT and may runs small. Check Sizing Info in description below