The adidas Ambition Powerbounce+ running shoe features a comfortable seamless upper and the most powerful Bounce® evolution yet, with a lower density crossbeam in each cell for more explosive energy return. TPU welds offer lightweight support and structural integrity. Full-length Powerbounce technology provides progressive cushioning and ultimate energy return. adiWEAR® outsole gives best durability in high wear areas. Wt. 13.0 oz.