The Mueller Adjustable Max Knee Strap is Muellers strongest knee strap. Four small compression tubes within the strap help guide the patellar tendon into the correct position. Lightweight and breathable material ensures comfort, even during all-day wear. The knee strap is individually adjustable with two hook-and-loop closures, adapting to virtually any knee shape. Breathable material in the back of the knee provides excellent moisture management. The strap is designed to help support the knee, kneecap, and surrounding tendons. The Mueller Adjustable Max Knee Strap is the strongest knee strap from Mueller. Four small compression tubes in the strap are designed to help guide the patellar tendon into the correct position. Lightweight and breathable material ensures comfort, even during all-day use. The Knee Strap is individually adjustable using two Velcro fasteners and thus adapts to almost any knee shape. Breathable material in the back of the knee ensures good moisture management. The strap was designed to help provide support for the knee, kneecap, and surrounding tendons. Material: 39% Nylon, 25% Neoprene, 19% Silicone, 12% Polyester, 4% Spandex, 1% PU