adidas - Ultra Boost (Core Black | Solar Yellow)
adidas' Ultra Boost is built with Boost technology for incredible energy-returning cushioning beneath your feet. With a breathable adidas Primeknit upper for a flexible and supportive fit and a STRETCHWEB outsole for a smooth, neutral transition, this is the future of running.
• adidas' Primeknit is carefully engineered to naturally expand with your foot while you run to give you a more comfortable fit and help reduce irritation.
• Boost's energy-returning properties keep every step charged with an endless supply of light, fast energy.
• STRETCHWEB rubber outsole is lightweight and elastic, adapting to the ground for stability and working strategically to optimise the unique properties of Boost from touchdown to push-off.
• TORSION SYSTEM for midfoot integrity.
• Molded 3-Stripes and heel counter for support and optimum heel hug.