adidas Energy Boost - Women'sThe adidas Energy Boost running shoe features Boost technology that absorbs shock while returning energy for the next stride so you can go the distance with less effort. Air mesh upper allows air to flow in and out of the shoe to keep the foot cool and comfortable even during long runs. Internal EVA midsole cushions the foot on impact, reducing the risk of injury. adiWEAR® outsole for durability in high-wear areas. Wt. 8.0 oz.