The Cressi Bonete fins are short, open-heel fins with adjustable straps. The redesigned buckle system increases the sturdiness and ensures a long lifespan. The fin strap features a large thumb loop to easy donning and doffing. They can also be hung on a hook for drying. The foot pocket is made of a rubber material for comfort and adapts to all feet. This open-foot pocket fin comes with an adjustable strap, which allows it to be shared between different people in a similar foot size-range. The composite design of the blade provides comfortable finning and helps reduce leg cramping. The fins are ideal for travelers due to their compact dimensions and light weight. US MENS SIZE 9 to 13. US WOMENS SIZE 10 to 14