Old Navy UltraLite Performance Racer-Back Ribbed Midi Dress This Old Navy UltraLite Performance Racer-Back Ribbed Midi Dress ($30, originally $40) is more than just a casual dress as it's made from the same go-dry material as many of the workout clothes. Image Source: oldnavy.gap.com Old Navy UltraLite Performance Racer-Back Ribbed Midi Dress $30 from oldnavy.gap.com Buy Now