How Big is a Warm Weather Sleeping Bag?

The many warm weather sleeping bag sizes are designed to fit people of different physiques. The big ones measure 39 x 84 inches, 40 x 86 and even bigger. Other bags are smaller. A few are adjustable so you can sleep more comfortably.

How to Choose the Right Size

It is best to pick a bag that provides a few inches of stretching at the top and bottom. This will give you some room to move. At the same time, it will still fit in snugly. Avoid bags that leave empty space; you will end up feeling cold.

Pay attention to weight as well. A heavy bag will be difficult to carry around trails. But a bag that is too light will not keep you warm enough.

How to Find the Right Temperature

Determine beforehand what the coldest temperature will be at the campsite. Deduct 20 degrees from it. This is the right rating; look for the bag with this rating.


Aside from the warm weather sleeping bag sizes, the shape will also be a factor. One of the most popular is the V-shape Mummy bag. These bags do not need a lot of body heat to warm you up. If you want more room, choose the rectangular-cut bags. But make sure it isn’t so big you will feel cold. The semi-rectangular bags will also prevent you from getting cold.

Hooded Bags and Stitching

Nearly 50% of your body heat could be lost at the top of your head. You can prevent this by getting a hooded bag. Many good bags also have quality zipper and stitching. Try the zipper; the teeth have to be large so they do not get stuck between the fabrics. The stitching must be snug against the material too.

Fabric and Fill

Fabrics with high thread counts are more resistant to wind and water. If there isn’t enough stitching, leaks might appear. Many bags have synthetic fills. These are very warm but they can be very heavy. Down bags are not as heavy.

The downside is they are difficult to dry when soaked. Look at the down bag’s fill power number; the higher it is, the warmer the bag will be.

The warm weather sleeping bag sizes are not indicative of its lifespan. Read the warranty. You will need a heavy-duty bag if you camp in cold areas or go mountaineering. Some experts would recommend you get two bags; one for winter and the other for summer.

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