Adidas Yeezy Boost 350 V2 “Onyx” Sneakers Bring a Subdued Color to the Lifestyle combining the forward-thinking aesthetic of Kanye West with the performance technology of Adidas. The sneaker features a solid black Primeknit upper secured with rope laces and equipped with a heel loop. On the side, a dyed monofilament stripe adds transparency to the look. resembling a sock. Full-length Boost midsole is surrounded by a ribbed translucent TPU cage which retains the monochrome design of the shoe.