Imak Arthritis Compression Knee Sleeve, Small, 1 Each Jobst Ultrasheer 20 30 Knee Hi 5 18 (measurement taken Wall Transformers 5 18 (measurement taken just under the knee cap while knee is slightly bent) * Elastic Support for Prevention Treatment & Rehabilitation of the knee * Thermoskin elastics can expand contract and stretch and are made of a high grade durable material that permits a full range of movement and are comfortable to wear during a range of activities * Anatomically designed the elastic support will comfortably contour to the shape of your knee * It provides even compression and support to weakened and injured knees * It has side stabilizers to provide increased medial and laterial support the exerciser uses magnetic resistance to enable smooth and quiet operation Tri band technology holds sleeve securely over the knee and prevents rolling Increases blood circulation to reduce pain and promote healing