Dual Channel Drainage Design The fins feature a dual channel drainage system that channels water away to generate propulsion, helping you swim faster and maintain efficient propulsion for swimming and diving. Unique Drainage Design A specially designed drainage function quickly drains water to reduce resistance, enabling faster, more efficient swimming. Ideal for training and leisure use. Adjustable Strap for Easy Use The adjustable strap provides a fit and is easy to put on and take off. These fins accommodate a range of adult foot sizes, offering comfort and stability during water activities. Anti Slip Sole Enhances Grip An anti slip sole with a 3D textured bottom offers maximum grip on wet and slippery surfaces, improving safety in pools and open water and delivering stable performance. Use Scenarios Pool lap training and technique drills to improve speed and efficiency. Open water swimming, snorkeling, or casual diving for enhanced propulsion and control. Beach or poolside fitness sessions in calm water for reliable performance and stability. Specifications and fit Function: dual channel drainage system to improve propulsion and reduce water resistance. Compatibility / Size: adjustable strap designed to fit a wide range of adult foot sizes for a secure, comfortable fit. Material and construction: designed for water use with durable, slipresistant features to ensure safety and reliability.