The Sungpak Expanda Panel makes your sleeping bag roomier and more comfortable. This easy to install upgrade is designed for people who prefer a more generous cut to their sleeping bag. The zip in wedge adds around an extra 20" of chest room at the shoulders tapering to the foot of the bag.
The Winter Weight fits the Softie 10 Harrier, Softie 12 Osprey, Softie 15 Discovery, Tactical 3 and the Tactical 4 sleeping bags.
Weight: 20 ounces