This is the Cressi Sub Gara Professional LD Free Diving Fins Features: Used by many world-class free diving competitors Designed for free diving and spearfishing A better snap for better performance Long blades maximize thrust, minimizing work The new Gara Professional LD are for all those divers who wish to benefit from the extraordinary performance of Cressi long fins, without, on the other hand, having to use too much muscular effort.