TUSA Reef Tourer Snorkeling Strap Fin - RF-14 The Tusa Sport Travel Fin is a new idea for fins. Built with TUSA quality, the foot pocket is made with a soft, durable compound designed for comfort. This sturdy fin is engineered to provide a lot of power for its small size. The Sport Fin is compact and lightweight enough to take anywhere. Features: Designed for ease of entry yet secure fit. Soft, comfortable open-heel foot pocket with adjustable strap for a wide range of sizes. Sturdy blade for extra power. Can be used Barefoot but is more comfortable with beech shoes and booties.