COLEMAN Tidelands Sleeping Bag 50 Degree Mummy Grey Rest up during a cold-weather camp-out with the Coleman Tidelands 50 Degree Mummy Sleeping Bag. Whether you're heading out for a car camping trip or having a night in the yard, this sleeping bag's Coletherm insulation will keep you warm in temps as low as 50 degrees F. Tend to run cold? The semi-sculpted hood and Thermolock draft tube help to lock in heat so you stay comfortable when the temps drop.