The Vulcan V3 Fins offer the latest in bodyboarding tech and comfort. The Vulcan's use 3 density-elastometre technology offer improved propulsion and performance. Ideal for powerful and experienced bodyboarding. The Vulcan V3 Fins have the added feature of a neoprene foot pocket insert as to make your experience as comfortable and long lasting as possible. *** Please note; size is slightly smaller than other fins due to neoprene piece.