This Harbinger Leather 4 inch Weight Lifting Belt protects your back for exercises like squats, deadlifts, cable rows and other exercises heavily involving your spine. Belts tighten your core and support your back during any back movements to help prevent possible back injuries - note that exercise technique is as important! Features: 4-inch back support with super comfortable padding Contours around hips and ribs to maximise midsection fit Supports your back while engaging abdominal muscles Interior foam cushioning maintains muscle warmth Heavy-duty double prong steel buckle with seamless roller Sueded lining grips your clothing with no slippage