Tilly's (World of Jeans and Tops) is an American-based retail apparel company that trades action sports-branded clothing, shoes, equipment and accessories. Tilly's is headquartered and run from Irvine, California. The company opened its first store in 1982 in Southern California. Tilly's stores located in both traditional outdoor shopping centers and shopping malls. The average store size is 7,900 square feet (734 m2). Due to the size, Tilly's locations in malls regularly take up two or three store spaces. As of May 2013, Tilly's has 182 stores over the US, with about half the stores in California.