The UF 0103 Fins are exclusively designed for travel with a short blade design soft comfortable open heel foot pocket and adjustable silicone strap The UF 0103 Fin features an enhanced rib design and multi compound blade for extra power The open heel is designed for ease of entry and a secure fit This sturdy fin is engineered to provide a lot of power for its small size Travel friendly short blade design Soft comfortable open heel foot pocket with adjustable silicone strap Enhanced rib design and multi compound blade for extra power Designed for ease of entry yet secure fit