Protection Alpinestars A-4 Chest is a new model that offers a high level of back and chest protection and Integra protectors and thermoformed kidneys and allows the adoption of neck supports Alpinestars BNS for definitive off -road protection. Technical characteristics of the protection Alpinestars A-4 Chest Black Red Black: Torn-up shells for maximum breathability and ventilation, perfect for the hottest and dusty routes Certified front plaque against EN 14021 (protection from the Sassi) Closing system in the Reni new design area, with quick and easy to use hooks. The new closure allows you to use each size for a wider corporate range. Protection Alpinestars A-4 Chest with CE Certified Paraschiena according to the EN 1621_2 2014 Level 1 Plasteer detachable and adjustable shoulders to adap.