Create a rigid core, more stabilized spine, and reduce stress on your back when lifting with the RX1 Weight lifting belt.The RX1 comes in 4 inch width with a 3 inch hook & loop strap for a better fit. Made of the sturdiest nylon throughout, this weightlifting belt is lightweight and easy to clean. Manufactured from premium nylon for the most comfortable training belt Heavy-duty iron buckle and tension lock system provides the right amount of tightness across waist to support the back Resilient nylon strap enables adjustable fit Hook and loop mechanism provides extra security Anti-open closure system keeps the belt in place even under high tension.