Steel Sweat Weight Lifting Belt - Nylon 6-inch firm & comfortable back support, best for workouts at the gym, weightlifting or CrossFit. Easily adjustable (18") <span class="a-text-bold">Small:</span> 24&#034; - 30&#034; <span class="a-text-bold">Medium:</span> 30&#034; - 35&#034; <span class="a-text-bold">Large:</span> 35&#034; - 40&#034; <span class="a-text-bold">X-Large:</span> 40&#034; - 45&#034; <span class="a-text-bold">XX-Large:</span> 45&#034; - 50&#034;