Quick release hasps maintain the belt length you set, so you do not need to adjust the belt for every use. This enables easy donning and doffing between sets or sessions. Open heel design with an adjustable belt accommodates different foot types and sizes, providing a secure fit for a range of users. Flameshaped mesh insteps reduce water resistance and offer a comfortable feel during kicking. Made of TPR material that is antideformation, lightweight, corrosionresistant, and durable. The construction is sturdy while maintaining flexibility. Size and compatibility: the adjustable belt fits a wide range of foot sizes and shapes, enabling versatile use across different users. Use scenarios: Pool training and lap swimming: quick don and doff saves time between sets; secure fit supports consistent kick technique. Open water swimming and snorkeling: comfortable for longer wear with adjustable fit; reduced drag from mesh insteps enhances efficiency. Travel or shared gear: quick to adjust and easy to fit for different swimmers, with durable materials suitable for varied environments.