Boston Leather 1 1/4 Off Duty Belt Black . This leather belt by Boston Leather is commonly used by umpires referees and officials of all kinds as their belt of choice. The Boston Leather 1 1/4 Off-Duty Belt is Postal approved and has the approval number needed to get a stamp with a cancellation number. Boston Leather off duty belts are made of high grade drum dyed full grain English bridle leather. Make sure to get a duty belt from Boston Leather that meets your state's standards for quality and safety Specifications for Boston Leather 1 1/4 Off Duty Belt: Manufacturer: Boston Leather Mens Waist Size: 30 in Color: Black Finish: Plain Fabric/Material: Nickel