MRX Weight Lifting Belt with Double Back Support Gym Training 5" Wide Belts 7 Colors Train Harder: No matter your training style, youll be able to go harder and know you have support with the MRX Double-Support Weight Lifting Belt. Quality-Materials: Created from durable neoprene weaved with nylon cloth; this belt is as tough as it is flexible - great for any type of lifting or twisting. Extra Support: Extra wide 5 inch belt for maximum lower back Support and abdominal protection during heavy lifting. Easily Adjusted: Easily adjust the belt to fit any size or shape with the Stainless Steel Slide Bar Buckle. Size Guide: XS (29" - 33"), Small (31" - 35"), Medium (35" - 39"), Large (40" - 44"), XL (41" - 45"), XXL (43" - 47").