3 Piece Suit Set, One Button Shawl Lapel Tuxedo, Slim Fit Dinner Jacket Vest Pants & Tie, for Party Wedding Proms. Size Large 42R Chest 44.6 Sleeve Length 26 Shoulder 18.7 Top Length 28.7. The MY'S Men's 3 Piece Slim Fit Suit Set includes a one-button blazer jacket, vest, and pants, perfect for formal occasions like weddings or business events. Made from 79% polyester and 21% viscose, with a lining of 100% polyester, this black tuxedo suit features a notch lapel and a regular jacket length. The slim fit and flat front design offer a sleek and modern look, while the two-button front and four-button sleeve detail add a touch of sophistication. Ideal for winter and spring, this suit set is a stylish choice for any man looking to make a sharp impression.