UltraBoost 4.0 'Grey'

The adidas Ultra Boost 4.0 ‘Grey’ sneaker add a minimal grey and ‘Core Black’ colorway to the stretchy textured Primeknit upper. Using high-performance technology, the shoe adapts to the shape of your foot as you move, with a molded heel counter that allows optimal movement of the Achilles for a natural stride. The sneaker boasts responsive midsole cushioning for lightweight comfort and a flexible outsole.