So, was I warm? The Biigloo sleeping bag has a smooth texture on the inside as well as the outside, and I found it very chilly to the touch when I first climbed into it. I soon warmed up ...

The Rumple Wrap Sack 20° Sleeping Bag takes the best of the brand's luxurious offerings, like the Rumpl NanoLoft Puffy, which ...

a mummy-shaped down sleeping bag that's rated to 0°C. To judge how comfortable each liner is, she carefully assessed their size, shape and texture, as well as ease of use and perceived added warmth.