No more sliding and easy-to-use: Simple designs and adjustable straps make the knee immobilizer easy to use. Lock and remove with four hook and loop closures with plastic D rings. Equipped with shoulder strap to prevent the knee stabilizer from sliding down while walking, and you can remove the shoulder strap when sleeping at night.4 metal splints for stability and immobilization: Features one medial, one lateral and two posterior stays that are removable and malleable. Four aluminum stays maintain the leg and knee in a protected straight position, allows muscles, ligaments and tendons to fully rest by immobilizing the knee.Idea for pre- or post-operative & injury or surgery recovery: Provides rigid support from the upper thigh to mid-calf making it an option for those that are recovering from knee surgery or have experienced a significant knee injury. Helps post operative immobilization and assists walking. Recommended for knee sprains, strains and instability, fractured patella and leg injuries. Designed for both right and left leg.3 adjustable panels design for precise fit: Our three-piece knee immobilizer allows for accommodation of varying leg circumferences, with hook-and-loop attachment for quick fitting. Designed to lock the knee in extension and prevents motion of the joint for optimal healing and recovery.Breathable foam padding for maximum comfort: Combination of a breathable material to absorb moisture away from the skin, keeping the leg cool and dry, provides comfort and rigid support. The patella opening offers additional ventilation to help prevent skin breakdown.