Ergonomic back protector characterized by a new harness. This innovative support system, reinforced with inserts in Crash absorb®, is widely adjustable and is capable to ensure maximum comfort and product stability. The back protector vaunts a composite structure, provided with a series of polypropylene articulated outer plates, designed with corrugated reinforcing structure to distribute concentrated impact forces over a wider surface area. Inner core in aluminium honeycomb, an ultra-light material capable of ensuring maximum energy absorption and optimum elimination of heat and humidity. Innovative double density thermoformed perimeter structure to support the plates, for maximum comfort in contact with the body and thermal comfort. The articulated plates and patented lumbar joint allow this protector to follow the body's movements, maximizing ergonomics.