The adidas Microbounce TRW is a training shoe that is loaded with energy returning Bounce in the heel to let you give it your all without getting run down. Nylon mesh upper combines light weight and breathability. Fit frame offers stability and support during training. Injected lightweight EVA midsole. Bounce technology provides optimized energy return and step in comfort. adiPRENE insert offers comfort and shock absorption. adiWEAR outsole gives the best durability in high wear areas. Flex grooves deliver optimum forefoot flexibility.