Nike ReactX Rejuven8 Men's ShoesGive your feet a rest. Made from soft and responsive ReactX foam, the Rejuven8 uses some of our best tech to create a recovery shoe so comfortable you'll want to wear it every day. Benefits The ReactX upper and midsole surround your feet in soft, responsive comfort. The sticky rubber outsole adds grip even on slick surfaces. The extra room at the forefoot helps accommodate various foot widths. The ventilation holes help allow for breathability.