adidas | Shoes | Adidas Ultra Boost 3 Utility Black Core 。The Adidas Ultra Boost 3.0 Utility Black S80731 in Men\'s Size 11 is a stylish and comfortable sneaker designed for casual occasions. With a rubber outsole and foam insole, this shoe provides great support and cushioning for running and jogging activities. The lace-up closure and low top shaft style offer a secure and snug fit, while the signature Boost technology ensures maximum comfort and energy return. The sleek black color and solid pattern make this shoe a versatile and fashionable choice for the summer, fall, and spring seasons.