Enjoying tennis and playing harder, longer and for a lifetime with the ultimate in foot protection. Fast starts, fast stops and lateral movements on the court cause pain and stress on your feet. Specifically engineered to deliver maximum protection and comfort for any player who is prone to blisters, foot pain or discomfort. Fit & Design: Constructed with THOR*LON(R) blended with thermal fibers for extra insulation , and superior softness, resilience, durability and moisture-wicking for drier, warmer, better feeling feet Unique padding specifically engineered for tennis, clinically shown to reduce blisters, pain, pressures and moisture for maximum protection Cushioned instep and arch for a better fit, more support and less pressure on feet for a more comfortable game