Grey rubber Ultra Boost 20 sneakers from adidas featuring signature three-stripe logo, Primeknit construction, round toe, front lace-up fastening, logo patch at the tongue, signature cushioned Boost midsole, branded insole and rubber sole. These styles are supplied by a premium sneaker marketplace. Stocking only the most sought-after footwear, they source and curate some of the most hard to find sneakers from around the world..