Seac Speed ??S are short swimming fins ideal for the first targeted workouts of the lower body. They are designed for the pool but nothing stops you using them in the sea as snorkeling fins. The Seac Speed ??S closed-foot fins have an ergonomic design for maximum comfort. The short fins for the Seac Speed ??S swim completes the Seac line dedicated to swimming that includes: floating modular belt, kick board, pull buoy, hand fins, short training fins, fabric and silicone swimming caps, swimwear, nose and ear plugs, swimming goggles and masks, rubber flip-flops and pool bags.