Polo Ralph Lauren Men&rsquo;s Nikolas High Fashion Sneaker &ndash; Black/Yellow leather-and-mesh Keep things Casual Yet Captivating With The Polo Ralph Lauren Nikolas High Top sneaker. Suede and textile upper. Leather Tongue and Trim. Brand Logo On Tongue And Brand Name At Side. Textile lining, Lightly Cushioned footbed. Textured Rubber Outsole.