Alpinestars Men's Black Lightweight T-SP X Superair Motorcycle Jacket - L Sport fit with highly pre-curved body and arms for enhanced performance. Technical mesh panels for optimized ventilation and maximum airflow. Protective and comfortable Nucleon Flex Plus armor is highly flexible and breathable, and has a thin profile for optimum rider comfort. Tech-Air® 5 and Tech-Air® 3 Ready. Nucleon Flex Plus CE Level 1 rated shoulder and elbow armor for superior impact protection. According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply: Fully CE-certified riding garment to CE – Category II EN17092-4:2020 standard – A Class. Low profile collar construction with microfiber edging on the inner collar lining for high levels of rider comfort. Multi-fabric shell construction with mesh panels on chest and sleeves for improved cooling performance. The 3D mesh has been combined with 600D and 450D poly-fabric on the outer arms, shoulders, and sides for CE rated abrasion resistance.