Updated with extra comfort, these shoes add modern cushioning to a '70s-style runner. The lightweight upper has a mesh build detailed with synthetic suede overlays and serrated 3-Stripes. The ultra-comfortable midsole features Boost for durable cushioning. Retro style Inspired by '70s-style running shoes for a vintage vibe. Endless energy Boost is our most responsive cushioning ever, delivering incredible energy return: The more energy you give, the more you get.