The Cressi Tonga fins are short fins with an open foot pocket and adjustable straps, suitable for both outdoor and indoor use. Thanks to their compact dimensions and lightweight design, they are ideal for travelers. The buckles are specifically designed to ensure durability and a long lifespan. The fin strap features a large thumb loop that makes putting on and taking off easier. Additionally, it is practical for hanging the fins on a hook. The foot pocket is made of a rubber-like material that provides a comfortable fit and easily adapts to different foot shapes. As an open heel fin with adjustable straps, it accommodates various foot shapes and can be shared by individuals with similar shoe sizes. The composite design of the fin blades allows for comfortable kicking and helps reduce calf cramps.