The responsive lightweight revlite midsole has been fortified with more blown rubber to up durability and energise every stride a breathable air mesh forefoot with no sew overlays is designed to allow your toes to splay freely and comfortably at toe off and the shoes sleek bootie construction continues to provide the snug second skin like fit that made the first version a runner favourite revlite an innovative foam compound providing the same responsiveness and durability of new balance fo