The flat-cut A-6 Plasma chest protector is designed to provide mountain bikers with the best protection. It offers comprehensive impact protection, making it perfect for all gravity activities in the mountains or at the bike park. Alpinestars' innovative Nucleon Plasma back protector provides a high level of ventilation and flexibility. This is due to its structural composition, which is highly adaptable, conforms perfectly to your body, and offers maximum comfort while riding. The adjustable quick-release system ensures a personalized fit, while the protector stays securely in place during your ride.