Sleeveless Denim Ruffle Blouse from Tribal Color: Fountain The only thing better than a graceful ruffle cap sleeve is a matching ruffle neckline! This lightweight denim blouse is made of 100% cotton and has a super roomy, peplum-like shape that flows outward from the tightly ruched neckline. Plus, a delicate buttoned detail at the back makes this top feel divinely delicate. 100% Cotton