Runners looking for a fast, yet stable ride to take on the competition will fall in love with the adidas Vengeful running shoe. This stable runner packs a powerful punch with its Boost™ technology providing cushion and energized feedback on the run. A light, breathable upper keeps feet comfortable and the contrasting design adds a fierce style to this shoe. Upper: Stretch air mesh provides breathability. Flat laces reduce irritation. A performance shape works with the boost™ foam to adapt to your running style, providing a personalized experience. Midsole: boost™ midsole provides unmatched energy return and superior cushioning. Full-length Boost™ with added quarter-length STABLEFRAME innovation is designed to guide and support the foot from heel to toe.Outsole: Stability Stretchweb provides flexible durability.