If you love branded sleepwear, we also have best-selling shapewear from Calvin Klein, Shein, etc. GAP is an American clothing brand that has its presence known worldwide. They are known for their clothing and accessories retailing. This store was formed in 1969. Can't decide on what color Sleepwear to wear? Let your personality shine in a GAP Sleepwear. Shop it online. Shop online our large selection of Women Sleepwear available in Modal, Cotton, Polyester, Lyocell and Blend fabrics. Browse the Hottest looks available at hottest prices. Don’t go just plain. Choose from Solid, Printed, Animal Print, Leopard, Striped and Plaid types of GAP Sleepwear for Women. Discover the incredible savings on Sleepwear ranging from Everyday and Casual. Check the product details to find eligibility for free shipping and free returns.