70% Polyester, 30% Rayon Button closure Formal Suit Vest With Real Pockets, Adjustable Back Strap with buckle for Comfort Fit Woven Fabric, Fully Custom Lining, Solid Color, Single Breasted, Close-fitting, Waist-length, Button Closure Your choice for all formal or informal special occasions: wedding party, groomsmen, graduation, prom, family pictures, office, school performances. Dress it up with your favorite dress shirt. Available in wide range of sizes Men's Formal Suit Vest Fit For Business Or Casual Dress