Tommie Copper Women's Contoured Knee Sleeve, Cobalt Blue, 3X-Large 100% Other Fibers Imported Anatomically contoured design offers targeted isolated compression at the knee joint where you need it most Updated elastic provides an improved non-restrictive fit around the thigh and calf area Encased elastic band at the bottom of the sleeve for comfort 4D compression Technology fabric stretches in all directions for amazing form-fit comfort that maintains its shape for the Lifetime of the product Product Fabric Type: 86% Polyester 14% Spandex