U.S Divers Trek Fin - Compact Snorkel Fins for Travel U.S. DIVERS TREK TRAVEL FIN. The perfect travel partner, the Trek Fin offers a dual composite blade and an open-heel Comfo-Strap. This Electric Blue fin provides all of the features of a snorkeling fin while occupying half the space. DESIGNED TO TRAVEL. Wherever your aqua adventures take you, travel lightly with these compact fins. With high technology design, you can dive, snorkel, and bodyboard without compromising space. COMFORT & QUALITY. Serving as your #1 travel companion, these snorkeling fins were designed to fit comfortably and dive effectively. The Trek Travel Fin offers confidence that every detail provides quality and ease to every diver. EXPLORERS WANTED. Whether youre a first-time diver or a seasoned professional, Aqua Lungs products cater to any and every experience level. They are always evolving to provide the most functional and unprecedented gear in your snorkeling adventures.