Gap is a high-end apparel and accessory company. The company sells men s and women s apparel in its flagship store, but also has a variety of other stores that include GapBody, GapMaternity, GapKids and babyGap. GapBody focuses on an array of undergaments and sleepwear that include bras, panties, sleepwear, robes, slippers, lounge wear, tanks and swimwear. The company has been in operation for more than 35 years and is affiliated with Old Navy. Gap has locations across the United States, including Post Street in San Francisco.