This limited edition Des X Run Boston-themed Hyperion Tempo is a lightweight and responsive performance trainer, designed to take your workouts to the next level. The spirit of Boston is weaved throughout the shoe in a few subtle ways, take a look at the heel pull tab and see a Boylston St. shoutout. The DNA FLASH midsole is infused with nitrogen to create an optimal combination of lightweight cushioning and adaptive energy return. The Hyperion Tempo also helps keep your feet cool, thanks to a breathable, stretch-woven upper. This upper wraps and moves with your foot to offer superior comfort even on the warmest days. Take on the next level of training in a performance running shoe that keeps tempo. Features & Benefits: Nitrogen-infused DNA FLASH midsole offers lightweight cushioning with adaptive energy return Stretch-woven upper provides a breathable and lightweight experience Outsole runner strategically placed in high-wear areas Drop: 8mm Weight: 6.7oz