GPA Riding helmet 4S Speed Air TLS GPA4SATLSMBK55

Pushing back the limitsLike all GPA helmets, the 4S has also been designed premier for maximum protection. The 4S helmet represents a technological revolution, with its four layers providing remarkable shock absorption and improved resistance to lateral compression.Incomparable shock absorptionThe outer shell, made of shock-absorbing polymer, absorbs a first part of the impact by deforming.The 2nd layer attenuates and absorbs the energy of the blow.The 3rd layer, made of fiberglass, ensures the rigidity of the helmet as a whole, preventing lateral compression.The 4th layer is the polystyrene shell, which slows down the impact of contusion, protecting the skull from injury.Optimum ventilationThanks to its numerous front and side openings and rear extractors, this helmet offers maximum ventilation.Unrivalled comfort!The new one-piece removable inner liner can be washed and replaced as required. Soft and cushy, it is treated against the growth of bacteria.Optimum safety thanks to unr...