Scubapro S-TEK Open Heel Diving FinSCUBAPRO S Tek Open Heel Fin delivers power and durability for challenging scuba and technical diving scenarios. Built from robust Monprene material, this fin resists wear in demanding underwater environments and is a solid choice for scuba gear. The Clean Water Blade and vented blade design reduces drag and increases thrust, supporting efficient propulsion across varied currents and depths. Its Hydra Loop ramped and reinforced leading edge improves