U by Kotex® Security® Lightdays® Wrapped Liners, 1 Case of 12 Pen Pencil Aids 5 (measurement taken just under Style:1 Pair (Left & Right) 5 (measurement taken just under the knee cap while knee is slightly bent) * Thermal support for prevention treatment & rehabilitation of the knee * Provides protection and support against general wear and tear including sprains strains and twisted knees * Anatomically shaped in 3 pieces for more comfort and a better fit * Thermoskin increases elasticity of muscles tendons and ligaments to reduce the risk of injury when under stress and strain * Clinically proven to increase surface skin and subcutaneous temperature between 2 3 degrees F the optimal level to make tendons and muscles more pliable and elastic to provide optimal muscle function Has a padded collar and reinforced heel counter that provides comfort and added support dry feeling Hypoallergenic