Make sure this fitsby entering your model number. TO CHOOSE YOUR SIZE use a soft, flexible tape measure and refer to the second image for instructions. For the best results, have someone take your measurements for you. POLYCENTRIC RANGE OF MOTION (R.O.M.) HINGES and aluminum stays allow full flexion and extension control with settings at 0, 15, 30, 60, and 90 degrees. USE FOR MENISCUS INJURY TREATMENT, buckling or locked knee prevention, ACL, LCL, MCL or PCL injuries, medial / lateral instability, joint degeneration (arthritis), mild strains or sprains, weak knees, and post-op stabilization. WRAP DESIGN above your kneecap makes this stabilizer splint easy to apply, while the neoprene sleeve below provides thermo compression, reducing swelling and inflammation to promote healing. MEDICAL-GRADE FASTENER STRAPS provide a customized fit, while the open patella design supports the cartilage around your knee and popliteal cutout prevents bunching and pinching when bending or walking.