Every run is thrilling when you're wearing this ultra-breathable shoe from Under Armour. Breathable mesh upper features an adjustable heel lock-down strap for improved fit. Molded 4D Foam footbed conforms to your foot's shape and eliminates slipping. Full-length Micro G foam midsole turns cushioned landings into explosive takeoffs. Flex grooves in the forefoot increase flexibility for a natural stride. Strategically placed rubber in high-wear zones of the outsole for greater traction without adding weight. Wt. 8.9 oz.