TADDY orthotics knee cap is Ideal for active sports and other vigorous activities. Great Elastic support that reaches out and embraces weak and sore muscles above and the knee. Post surgical support or additional support to prevent re injury and arthritis. Elastic tension provides correct compression over the knee area, while providing less at the edges to avoid pinching and interfering with circulation. Breathable fabric helps absorb perspiration. Two way stretch material for extra comfort & flexibility. Comfort while walking, running & all day standing and exercise.