Lifting Lab Ultimate Leg Builder | Designed for Lower Body Blood Flow Restriction Training | Occlusion Cuffs Optimized for Quads, Hamstrings, and Calves Simple one wrap design if you're serious about BFR training and tired of messing around with knee wraps Patent pending ergonomic finger loops help you easily find and adjust to the optimal pressure prior to your occlusion sets Specifically designed for blood flow restriction, the thick fabric has just enough give and flexibility to move with your muscle without losing pressure on venous return We'll email you a free six page starter guide on occlusion training as soon as your order is confirmed One size fits most - the flexible straps run 40" in length, 2" wide, 3mm thick and fasten back onto themselves Designed with comfort in mind, our premium flexible fabric lets you to feel the burn in the muscle, rather than on the skin. Our Patent Pending BFR Tightness Gauge helps you easily find and keep the optimal pressure for the perfect pump Your workouts will be more challenging and exciting - before you know it youll be addicted