80% Polyester, 20% RayonButton closure Our Boys Suit Set Include Slim Blazer Jacket, Fully Lined Vest, Trousers (with adjustable button waist), Slim Dress Shirt,Zipper Slim Tie, Bow Tie Boys' Classic Fit Formal Dress Suit Set,Suits Vest Shirt TieStylish and elegant neckline, elegant tie,1 button Real pockets beautiful and durable Fine appearance, details in place,quality zipper Boys Colorful Formal Suits 5 Piece Slim Fit Dresswear Suit Set