The Breathable Insulated Jacket features a Polartec Alpha lining for optimal temperature regulation. With an enhanced fit and binder specifications, this jacket eliminates the need for additional parts and adjustments. With adjustable hem, binder sleeves, and stretch fabrics, this jacket allows for stress-free movement and efficient airflow. The ventilation pockets also provide warmth to your waist. Stay secure with side security pockets and never worry about wind ingress again.