Jacket 1) Thermo Wrap Insulation: Advanced synthetic fill that mimics the heat-trapping properties of down while maintaining its loft even in damp conditions. 2) Ultralight Ripstop Shell: Crafted from a high-density, abrasion-resistant fabric that blocks biting winds and repels light rain. 3) Ergonomic Armholes: Wide-cut, elasticated arm openings ensure a full range of motion and prevent heat loss at the edges. 4) Heat-Seal Stand Collar: A tall, insulated collar designed to protect the neck and lock in warmth without the need for a scarf. 5) Secure Utility Pockets: Features deep, zippered hand-warmer pockets and an internal chest pocket for secure storage of tech essentials. 6) Streamlined Packability: Incredibly compressible design allows it to be easily stowed in a backpack or carry-on when the sun comes out.