70% Polyester / 30% Rayon Textured Tweed Fabric Design with Satin Back Formal Tailored Collar Vest with Real Pockets; 2 Front Pockets, 1 Chest Pocket Adjustable Back Strap with buckle for Comfort Fit This style vest suitable for formal or informal casual occasions: wedding party ...70% Polyester / 30% Rayon Textured Tweed Fabric Design with Satin Back Formal Tailored Collar Vest with Real Pockets; 2 Front Pockets, 1 Chest Pocket Adjustable Back Strap with buckle for Comfort Fit This style vest suitable for formal or informal casual occasions: wedding party, groomsmen, graduation, prom, family pictures, office, school performances. Dress it up with your favorite dress shirt. Available in a wide range of sizes from Regular to Big & Tall Formal Tweed Suit Vest, 5 Buttons, Fully Lined Interior, Satin Back, Adjustable Back Strap, 2 Pockets, 70% Polyester / 30% Rayon