The Alpinestars Chest Protector A-1 Pro features Level 1 CE certified Polyhedron Hybrid Technology in the chest and Polyhedron Technology in the back protector, which provides an unparalleled level of ventilation. This chest protector is incredibly lightweight and delivers optimal impact protection. Designed for off-road enthusiasts, this protector ensures comfort and safety even in the most demanding conditions. Its innovative construction enhances airflow, ensuring you stay cool during intense rides, while its ergonomic fit ensures maximum mobility and comfort. Whether you're navigating rugged terrains or taking on challenging trails, the Alpinestars A-1 Pro offers reliable protection and confidence.