Discover the underwater world like never before with the Mares X-Stream Open Heel Fins, designed specifically for both scuba diving and snorkeling enthusiasts. These fins are crafted with a revolutionary new foot pocket that eliminates the parachute effect, allowing for effortless movement through the water. The next-generation Optimized Pivoting Blade (OPB) technology significantly enhances performance and comfort, taking your diving experience to exhilarating new depths. The innovative blade construction reduces turbulence, helping you glide gracefully beneath the waves. Made from high-performance materials, the X-Stream fins are not only lightweight but also incredibly durable, ensuring they can withstand the rigors of your underwater adventures. With four patented technologies combined into one elegant product, these fins epitomize the pinnacle of aquatic engineering. Available in sizes XS to XL, these fins feature an elastic strap for a secure fit, and the Riddled Foot Pocket is designed to minimize leg fatigue while maximizing thrust through the channel system. Whether you're a novice or seasoned diver, the Mares X-Stream Fins will revolutionize your aquatic journeys.