Charcoal Sneakers Premium leather upper Leather tongue and laces Leather lining Rubber outsole SKU: IE7291 The adidas Humanrace Samba “Colors by Pharrell” collection features six monochromatic pairs. Each is an improved version of the original indoor classic and features a full leather construction made with materials obtained only from ECCO Leather. Pharrell is a firm believer in reintroducing high quality materials and craftsmanship back into footwear. Note: US Mens Sizing.