Updated for extra comfort, these shoes add modern cushioning to a '70s-style runner. The lightweight upper has a stretch mesh build detailed with suede overlays and serrated 3-Stripes. Boost in the midsole provides 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.