Magic Fin MonofinComfortable, Flexible and highly durable Monofin Designed with Safety in mind Easy to put on and take off Fits shoe sizes 11 6 (UK), 29 39 (EU), 11 8. 5 (US). Virtually Unbreakable Polypropylene Insert High quality Neoprene cover Comfortable foot pockets Monofins give you the chance to swim like a mermaid, and to make all of your underwater dreams come true! Designed with safety in mind, our Black Magic Fin Monofin has comfortable foot pockets, is