The compact Trek snorkeling fin is a favorite for exploring your local beaches or for snorkeling vacations. With a smaller size perfect for travel, the Trek packs many features of a larger fin, such as a vented blade with a flexible, dual composite construction for a powerful kick, and an adjustable foot pocket for an easy-to-adjust customized fit. It's easy portability makes the Trek fin a favorite not only for snorkelers but also for bodyboarders and other water sports where fins enhance the experience.The Trek packs many features of a larger fin, such as a vented blade with a flexible, dual composite construction for a powerful kick, and an adjustable foot pocket for an easy-to-adjust customized fit.Fins are black and sized medium.