The Seacsub BM30 fins introduce a new level of performance with the FRCFully Responsive Compound technology. Designed to mimic the efficiency of carbon fiber and glass, these fins eliminate the common fragility issues associated with those materials. Ideal for divers seeking durability and flexibility, the BM30 fins offer a unique blend of polymers that enhance underwater propulsion and comfort. Advanced FRC technology for superior performance Elastic response similar to carbon and glass fiber High resilience and strength prevent breakage Environmentally friendly with reduced carbon footprint Ergonomic design for natural ankle movement Stabilizing fins to prevent sideways sliding