Men's Wedding Tuxedo Vest Set. Great for Weddings, Prom and other formal occasions. Exceptional Quality. This is our size chart for your reference: SIZE XS - Chest 39", Waist 38", Shoulder 3.6", Front Length 25.1", Back Length 22.8", SIZE S - Chest 40", Waist 39", Shoulder 3.8", Front Length 25.5", Back Length 23.2", SIZE M - Chest 42", Waist 41", Shoulder 3.8", Front Length 25.9", Back Length 23.6", SIZE L - Chest 45", Waist 44", Shoulder 4", Front Length 26.3", Back Length 24", SIZE XL - Chest 48", Waist 47", Shoulder 4.2", Front Length 26.7", Back Length 24.4", SIZE 2XL - Chest 51", Waist 50", Shoulder 4.4", Front Length 27.1", Back Length 24.8", SIZE 3XL - Chest 54", Waist 53", Shoulder 4.6", Front Length 27.9", Back Length 25.5", SIZE 4XL - Chest 57", Waist 56", Shoulder 4.8", Front Length 28.7", Back Length 26.3", SIZE 5XL - Chest 60", Waist 59", Shoulder 5.2", Front Length 31.1", Back Length 28.7", SIZE 6XL - Chest 64", Waist 63", Shoulder 5.2", Front Length 31.1", Back Length 28.7".