Green Nunui (teen/adult size) Mermaid Monofin green Mesh allows your tail and

Mesh allows your tail and monofin to breath when wet

which is why we send you the perfect size fin with the tail size ordered

Though the packaging states it is for younger kids

Made with a compelling combination of blacks

Monofin can be bought separately

Green Nunui (teen/adult size) Mermaid Monofin green Mesh allows your tail andDid you know? Nunui means "big" in Hawaiian, perfect for our larger monofin! It's pronounced Ni new ee. The Nunui monofins are for use with our JS, JM, and JL size tails. Our patented mermaid monofin (swim flipper) is the best monofin available (US Patents 9561401 and 9925416). Not only does it help you swim like a real mermaid, it keeps feet from sliding around, is so comfortable to wear, and won't break. Unlike other monofins, our swim fins do not