One size fits most. Provides compression and support to the knee, knee cap, and/or surrounding connective tissues. Class 1 medical device. FSA eligible. (1) 4 compression tubes to assist in patella tracking. (2) Lightweight and breathable material for all-day wear. (3) Adjustable support with dual straps. (4) Antimicrobial (Antimicrobial treatment is intended to protect the brace and does not extend protection to the skin). Not made with natural rubber latex. 3-in-1 (1) Helps redistribute loads in the patellar tendon. (2) Aids in the treatment of painful knee conditions such as jumper's knee with minimal impact on the rest of the leg. (3) Helps relieve pain associated with arthritis, chondromalacia, bursitis, jumper's knee and lliotibial band syndrome. Since 1959 the Mueller family has been the trusted leader in sports medicine. We are dedicated to creating the highest quality products that help people recover and perform at their peak. Trusted brand. Family owned since 1959. Endorsed by the World Federation of Athletic Training & Therapy.