are lightweight. have insulation. make winter camping easy. cost less than other sleeping bags.
The following advertisement was placed in the window of a camping supply store. "The double-thermal 'Polar Snooze' sleeping bag is here! It will keep you warm for winter camping!" Based on this advertisement, the best conclusion about Polar Snooze sleeping bags is that they

Options:
- are lightweight.
- have insulation.
- make winter camping easy.
- cost less than other sleeping bags.

have insulation.