Spoon shaped bags are best for side-sleepers ... A draft collar around your shoulders is also crucial in a winter sleeping bag. These are usually 3/4 length. Shorter zips save weight.

Read on our our full Alpkit PipeDream 200 review – or if weight isn't a priority, head to our best sleeping bag ranking ... or if you already own a warm winter bag and want something light ...

Men’s Journal aims to feature only the best products and services ... level of warmth for a cold winter day.” “This thing is like wearing a sleeping bag,” proclaimed another shopper.