RDX Weight Lifting Belt Neoprene Curved Gym Back Lumbar Support Adjustable Strap Fitness Exercise Buckle Crossfit Workout Bodybuilding Neoprene foam weight lifting belt in combination with Nylon built strap used for added strength and durability QD-2 inner lining wicks away moisture and carries anti- microbial properties During heavy lifts, Supremo-Shock Foam padding has shock absorption properties HG-Steel built buckle with Quick-EZ hook-and-loop closure for added strength and easy adjustability Professionals from all lifting sports use this resilient product.