Atomic Open Heel HEC Fin w/Spring scuba the lower vane is solid

the lower vane is solid and the top vane has 5 moisture capturing vents

it is quickly repairable

24lb lift capacity

Steel/aluminum Backplate 2

and a ThermoLite Infrared (TDIR) interior chest panel for added warmth

Atomic Open Heel HEC Fin w/Spring scuba the lower vane is solidAerodynamic Hydrodynamic Atomic SplitFins are simply dynamic SplitFins come in a variety of shapes, sizes and stiffness which contribute greatly to overall comfort and performance. A fin with short, soft blades will kick easier than a longer, stiffer one, but will require many more kicks to travel the same distance. A blade that is too stiff will require too much effort to kick comfortably. The Atomic SplitFins were specifically designed to optimize