Stella T-GP Plus R V4 Airflow Jacket Alpinestars Tech-Air ready 450D poly-fabric construction for optimum durability, abrasion resistance, and comfort Extensive mesh panel on chest and back for superior airflow Ergonomic, extended stretch shell inserts for an optimized fit Strategically positioned perforations on chest, back yoke, and forearms for optimal ventilation DFS Lite shoulder protectors for superior friction control Nucleon Flex Plus shoulder and elbow armor provide impact protection Fully CE-certified riding garment to CE - Category II EN17092-4: 2020 standard - A class