"When New Brunswick-based tester Paige Stuart set up the Zenbivy system on a breezy night, camping on the Bay of Fundy, she found it sealed out drafts as effectively as a full sleeping bag, but, because the quilt is fixed to the outline of the pad, she could easily switch sides without getting tangled. A hook near the bottom of the bag adjusted the roominess of the foot pocket from snug to wide-open."