Running Shoes Comfort starts from the ground up. Lace up the adidas Ultra Boost ST for a cushioned ride unlike any other. Soft, Primeknit upper with plastic support cage for a supportive fit. Multi-density boost™ midsole for extreme cushioning and energy return. Continental rubber outsole for durable traction. Wt. 11.1 oz.products_model:M28D9932lMen's Shoes - adidas Ultra Boost ST Equipment Blue/Collegiate Navy/Halo Blue - M28D9932l