Imak Arthritis Compression Knee Sleeve, Small, 1 Each Jobst Ultrasheer 20 30 Knee Hi Legs have pre inserted carriage bolts 17170 Legs have pre inserted carriage bolts for fast easy assembly 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 Offers mild compression and warmth Tri band technology holds sleeve securely over the knee and prevents rolling