Mens 46R Black Pinstripe Formal Vest Classic 5-Button Dress Waistcoat Wedding Measurements (Taken Flat): Size: 46R/40W Chest (Pit to Pit): 22.5 in Length: 23.5 in Fabric: Smooth, lightweight suiting material. Style: Traditional 5-button front with a classic V-neckline. Details: Two functional front welt pockets and a smooth, tonal satin back. Adjustable: Includes a back cinch strap to ensure a tailored, custom fit. Versatility: Ideal for office wear, weddings, funerals, or formal galas. "Business Formal," "Groomsman," and "Tuxedo Vest" Sleek, classic, professional "modern corporate" or "understated wedding guest." The subtle pinstripe detail is timeless.