adidas Ultraboost 21 'Core Black' FY0378

The adidas UltraBoost 21 'Core Black' is a performance running shoe that combines lightweight comfort with enhanced energy return. The upper is made from recycled Primeblue materials, including Parley Ocean Plastic, and is fortified with a midfoot cage and molded heel counter. The midsole is made from Boost, which provides added responsiveness via a new Torsion system.