Expanda Panels are designed for people who prefer a more generous cut to their sleeping bag, available for all UK made sleeping bags, the zip in wedge adds around an extra 20" of chest room at the shoulders tapering to the foot of the bag.
The Summer Weight fits the Softie 3 Merlin, Softie 6 Kestrel, Softie 9 Hawk and the Tactical 2
Expanda Panel shown zipped into a sleeping bag. (Note: Sleeping Bag is not included)