Land and Sea Stealth Free-Fins for diving, spear fishing etc Land and Sea has developed these Stealth dive fins to be highly effective for both spear fishermen and free divers. Underpinning the high-performance nature of the fins is a number of innovative features you would expect from a premium piece of gear. What makes Stealth dive fins so effective is a special system developed by Land and Sea, which is known as parabolic technology. This starts with the high-density TPR perimeter reinforcement helping you to reach maximum propulsion quicker and with less effort than with other fins. As well as parabolic technology, these fins are alive with innovation. Additional features include the extra-long thermoplastic fins and hydrodynamic shape. A thermo-rubber foot pockets then ensures that the fins will feel comfortable on your feet for even longer sessions. Features and Specifications Available in sizes medium, large and extra-large Developed for spear fishermen and free divers Extra-long thermoplastic fins Heavy-duty nylon/pvc carry bag included Hydrodynamic shape Parabolic technology Thermo-rubber front pocket TPR perimeter reinforcement Benefits Parabolic technology makes these fins ideally suited for use by spear fishermen and free divers. Parabolic technology in the form of heavy-duty TPR perimeter reinforcement, hydrodynamic shape, and extra-long thermoplastic fins will enable you to maximize thrust with less effort. The thermo-rubber foot pockets play a crucial role in making these fins as comfortable as they can possibly be. Store the fins in the accompanying heavy-duty nylon bag when not using them. At the top of our diving selection are these premium fins for free divers and spear fishermen. They feature parabolic technology plus a range of other innovative features intended to help you maximize thrust without having to try your hardest.