For resilient warmth both on and off the mountain, the Flylow General's Down Jacket is just what you need. 800-fill power goose down insulation helps batten down the hatches when the temperatures dip abruptly, while an ultralight 20D Ripstop Lite™ exterior and underarm venting gives the Flylow General's Down Jacket amazing versatility and packability for transitions on and off the skintrack.