SuperFit™ 13mm Power Belt Precision fit, powerful support, and exceptional comfort come together in the SuperFit™ 13mm Power Belt by Inzer. Featuring an exclusive, patent pending three-row adjustment system, the SuperFit allows fine ¼-inch adjustments so you can dial in the ideal fit for every workout and competition. Carefully selected leather forms the supportive foundation inside the belt, complemented by a variety of premium limited-edition outermost leather finishes and design detailing. Exclusive SuperFit™ three-row adjustment system – precise ¼-inch fit adjustments! The most precise buckle belt in the world. Premium Nubuck leathers form a luxurious feel Top-quality, select leather inside the belt provides exceptional support and lasting performance Equipped with a heavy-duty single-prong buckle for quick, secure adjustments Precision crafted with corrosion-resistant stitching and durable edge finishing Competition-standard 10cm (4") width 13mm thick for powerful support with added comfort. Built for the heaviest training and competition lifts Inzer Belts are renowned worldwide as the finest of all power belts, and worn by strength, fitness and power enthusiasts and professionals everywhere. For Powerlifters, the myriad varieties of Inzer Belts, with levers, buckles and ratchets, are all approved and worn in ALL Powerlifting organizations and competitions worldwide.