Mares Power Plana fins are especially designed for technical diving, including cave exploration. Crafted from high-quality natural rubber with reinforced side ribs, these fins offer durability and flexibility. The high-density material ensures negative buoyancy, a crucial feature for dry suit and steel backplate setups. Ideal for various kick styles, the fins come with metal spring straps for enhanced comfort and power transmission, connecting directly to the foot pocket for a perfect fit. Dive into your technical adventures with these reliable and versatile fins.