The best sleeping bag liners are precious middle layers, like pickle in a cheddar sandwich. Sitting between the human and the sleeping bag, or the bread and the cheese, neither would be the same ...

You can unzip your bag but then you might get too cold. If you’re using a sleeping bag liner, however, there’s no problem – just unzip and enjoy some light protection thanks to the ...

This rectangular sleeping bag includes a cotton canvas outer layer and a 100% cotton flannel liner to keep in maximum heat. Because it's made for freezing or near-freezing temperatures ...