The Harbinger 4" Nylon Weight Lifting Belt features an extra wide support strap that provides maximum lower back and abdominal support for heavier lifts. Parallel lines of 346 count nylon stitching run the entire belt length to support and stabilize the belt body for uniform support. The heavy gauge steel roller buckle makes tensioning simple and easy. The Harbinger 4" Nylon Weight Lifting Belt is constructed from thick, flexible heavy-duty nylon web which provides maximum comfort and durability while maintaining muscle warmth. Available in four waist sizes: S (24-29 inches), M (29-33 inches), L (33-37 inches), XL (37-42 inches); measure around waist to determine size. 4 inch wide heavy duty nylon belt with a 3 inch support strap overlay for maximum lower back and abdominal protection during lifting. Thick, flexible, heavy duty nylon webbing provides maximum comfort and durability while maintaining muscle warmth. Heavy gauge steel roller buckle makes tensioning easy.