Kootek 2 Pack Knee Strap Patella Tendon Brace Adjustable Neoprene Knee Pain Relief Patella Strap Band Support Brace Pads for Running, Jumpers Knee, Tennis, Basketball, Tendonitis Application: Designed to boost overall stability of the knee and improve patellar tracking by applying mild pressure on tendon below kneecap. Built-in SBR buffer: It prevent accidental damage and alleviate the pressure and pain well. Adjustable Tendon Strap: Double knot strap, fully adjustable tightness, fit up to 17" knees. Loop Lock Design: It allows controlled and flexible movement while eliminating glide and twisting to help in knee protection and mobilization. The lightweight and breathable fabric makes for ultra-comfortable all-day wear. Durable and machine-washable.