Ben Davis is an American workwear brand, founded in 1935, in San Francisco, California with headquarters in San Rafael, California. The company founder, Ben Davis' grandfather, Jacob Davis was the inventor of the original Levi's riveted jeans, and partnered with Levi Strauss in 1871 to mass-produce blue jeans. The brand's signature product is its heavyweight cotton/polyester blended twill fabric, which is used for most of its workwear clothing. Ben Davis also offers a selection of streetwear; most notably for the Japanese market.