Light Yellow Sneakers Premium leather upper Leather tongue and laces Leather lining Rubber outsole 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.