This is the Mares Razor Pro Free Diving Long Blade Full Foot Fins for Spearfishing

Features:

• Foot Pocket Incorporates Comfort and Efficiency
• One of the Lightest Free Diving Fins
• Side Ribs Support Blade, Channeling Water Flow
• Side Ribs (stringers) Prevent Lateral Slippage
• Design Consulted by Leading Italian Podologist
• Techno-Polymer Construction
• 5 Sizes of Foot Pocket to Choose
• Interchangeable Blades
• Code: 420401
• Colors: black
• Sizes: 39/40, 41/42, 43/44, 45/46, 47/48

The innovative Razor fins deliver the best performance among all technopolymer fins currently on the market. They are a benchmark for the most demanding freedivers and spearfishermen.