Saucony - Grid Instep 3 (Black/Black) - Women's: This classic walking shoe offers the latest technological breakthroughs, including an Instep Support Device, Visible Rearfoot Grid System, and a Forefoot HRC pad. Saucony's patented Instep Support Device made of Hytrel provides essential heel cushioning and arch support while providing forefoot pressure dispersion. Visible Rearfoot Grid System provides superior cushioning and stability by centering the heel on impact. Forefoot HRC pad provides cushioning through the later stages of the gait cycle. Full Grain Leather Upper. Compression Molded EVA midsole is durable, lightweight, and provides responsive cushioning. XT-600 carbon rubber outsole material offers outstanding abrasion and traction properties. Shoe weighs 10.2 oz.