The fastest tennis shoe on the market! Used by Gael Monfils. • Tested by P3 Sports Science institute. 13.5oz. • 6-month outsole wear guarantee. • Superfoam foot bed for resilient full-length cushioning. • Guideglide stability midsole construction for world class comfort during fast movement. • Ballistic Propulsion Plate to help keep players on the balls of the feet during play. • Aosta 7.0 high abrasion rubber outsole for long lasting traction. • White/Silver