Lightweight and breathable, rainbow knitted backless halter dress.  Perfect to throw over a swimsuit at the beach, poolside, or any summer party! Single layer knit (no under lining) to keep you cool. Knitted with rainbow yarn, creating blocks of beautiful rainbow colors. Halter neckline Backless Mini dress Single-layer knit cover-up dress Brand new in the original poly bag! Runs small so I would say the L size fits like a medium and the XL fits like a Large