AST V3 Air Jacket. Engineered for the modern sports rider, the AST v3 Air Jacket is a lightweight and durable warm weather jacket optimized to deliver superior ventilation, enhanced protection and elevated levels of rider comfort; the ideal riding solution for commuters and sportbike riders alike. Key Features: Effective climate control: Dual tech mesh and strategic laser perforations for advanced climate control and superior rider comfort. Enhanced airflow: Extensive laser perforations on the chest, back and sleeves, with 2D mesh inserts on the front, sleeves and back for superior airflow and ventilation. Comprehensive coverage: Sport fit with an elongated rear for better coverage and enhanced wind protection in the riding position. Innovative cuff: Aerodynamically engineered cuff design for reduced drag and pressure when riding, while simultaneously aiding comfort when worn with Alpinestars gloves.