American Apparel Heavy Rib Spaghetti Mini Dress. Size M. This 100% cotton heavy rib mini dress features thickness and structure for a playful, yet classic look. Spaghetti straps and a slight a-line shaped skirt give this dress and easy, effortless feeling for everyday wear in the summer. Pair this dress with our jelly sandals or a simple heel for the perfect outfit when you don't know what to wear. No flaws, great condition. Originally $44.