Semi-rectangular bags have more space to wiggle, which also means more fabric and a heavier, bulkier product. Shape: Mummy bags are the most common they have a tapered shape with less wasted space and fabric, making them smaller, lighter, and more thermally efficient than other shapes.For instance, if nights in the summer will drop down to 30 degrees, a 20-degree bag should work. Choose a bag that’s rated slightly below the lowest temperatures that you will most commonly encounter. Temperature ratings: Every bag has a number in the title that refers to its temperature rating (in Fahrenheit).

Down sleeping bags are more expensive, but they weigh less and compress smaller, which makes them better suited for backpacking or when cargo space is tight. Synthetic bags are cheaper and perform better when wet, but they’re heavier and don’t compress nearly as small. Insulation type: Sleeping bags are stuffed with either down or synthetic feathers, and some bags have a blend of the two.Camping with bae soon? Here are a few things to look into when shopping for a couples sleeping bag:

Queen size sleeping bag