Get comfortable with the Gunn Creek 30 degree sleeping bag, combined with the Double Z Air pad. This PrimaLoft insulated pad and sleeping bag are sure to keep you warm on those cold nights. Despite warmer weather during the day, mountain valleys can cool off at night. The Big Agnes Gunn Creek 30 Degree Synthetic Sleeping Bag surrounds you in a warmth trapping paradise so you can snooze through the night. You'll stay insulated and comfortable from the ground up once you slide your sleeping pad into this roomy, rectangular bag's bottom pad sleeve, which saves weight and increases packability.