The Pro Fiber -5 is a versatile synthetic sleeping bag suitable for 3 season use in Norway. It offers optimal warmth-to-weight ratio while maintaining comfort and weight. The 3D shaped sidewalls provide maximum space and comfort, while the anatomically shaped hood and high zip prevent cold spots and allow for easy access. The bag also features an extra arm opening for ventilation, a neck baffle to prevent heat loss, and an angled foot box that follows the angle of your feet. Additionally, there's an inside pocket for storing small items.