1980s Argentine tennis champion Guillermo Vilas inspired Puma's retro California Casual sneaker that have become so popular on the streets of California that the brand gave them a new name. The California Casual "Black Gum" edition features a perforated leather silhouette and mesh upper as well as a Puma strap in white tumbled leather. The thick EVA midsole also features the Puma logo leading to the rubber outsole.