The Snug knee support with Spiral Soft Stay is a high quality hinge-free knee brace, which provides comfortable & stable support for a range of knee injuries such as cartilage injuries, mild arthritis & collateral knee ligament injuries. When can I use the Snug Knee Support? Suitable for daily use & during a range of activities such as walking & running, the Snug knee support can be used to help improve knee stability following medial (inside) or lateral (outside) knee ligament injuries as well as providing stability & support following knee surgery & helping to relieve pain caused by osteoarthritis of the knee. How does the Snug Knee Support work? The Snug knee support has been designed to snugly fit around the contours of your knee to provide maximum comfort & support. The support features a gel pad which provides added protection & creates a massage effect to the knee joint & muscle to promote blood circulation & help speed up recovery. The advanced German knitting technique allows for sufficient ventilation & the three dimensional shape combined with the four way stretch provides equal compression as well as ensuring of a perfect & comfortable fit. Composition: 40% Nylon, 20% TPR, 13% rubber, 12% polyester, 10% Spandex, 5% metal. H&-wash only. What size do I need? Take measurement from around the circumference of the knee. Small 30-34cm (11.8-13.4") Medium 34-38cm (13.4-15") Large 38-42cm (15-16.5") X-Large 42-46cm (16.5-18.1")