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How to Stay Warm in a Sleeping Bag

I can sleep through thunder storms, heat waves, loud music and day light. Hell… once I fell a sleep standing up. But the one thing that wakes me up without fail is being cold.
A cold night can taunt even the hardiest among us. That feeling that penetrating your bones, aching in your knees, shivering across your spine and stinging your lungs… It a feeling we wouldn’t wish upon anyone. That’s why we’ve created this guide with some helpful tips (if we may say so ourselves) on how to stay warm in a sleeping bag even through the coldest of nights.


how to stay warm in a sleeping bag


The Bag Itself Even with all the tips in the world on how to stay warm in a sleeping bag, naturally you’ll always be cold without the right sleeping bag for the job. Make sure to pick one that’s right for the climate and location you’ll be camping in.

The Mat As we mentioned in the tips above, good insulation is key! Self-inflatable mats are a popular choice among seasoned hikers since they’re durable and do a good job of protecting you from the cold. Some good examples are: this one from MacPac or check out this one from Therm-a-Rest.
If you are looking for a bit more comfort, you could go for the combo of a lightweight air mattress and a cheap ultra light close cell foam mat.

The Liner We can’t stress enough the importance of a good liner! Any liner is going to add some extra warmth to your sleeping bag, but these little beauties from Sea to Summit are our personal favorite. They’re stretchy, comfy and do a great job at helping your bag keep the heat inside.

Do you have any tips on how to stay warm in a sleeping bag? Make sure to share them en the comments below!


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  • Lisette
    March 14, 2017

    These are great tips and tricks. Very helpfull!

    I also have some tricks to add. I use a down jacket above my upper leggs and knees for extra ensulation. I noticed a lot of warmth escaping my body through the legs making my knees sore and painfull the next day.
    I always put a bottle of warm water at my feet to make the sleepingbag warm up before going in. Wearing a buff f keeps the neck warm (the beanie is very importand aswell) and I use a sweater as a nice and warm pillow. I its still cold i put every item of clothing on top of the sleeping bag to prevent the wamrth from escaping. That with all your good tips and tricks makes a good nights rest. πŸ™‚
    At least it works for me πŸ˜‰

    • Merel Lloyd-Parker
      March 15, 2017

      Thanks for the tips Lisette. They’re awesome! I get cold knees too, so I must try your jacket tip.
      I also always put a bottle of hot water at my feet. It also means that as soon as I wake up I already have a bottle of safe (and by then nice and cool) drinking water at hand. Which I’ll drink first up. I’m always super parched in the morning.
      Buffs are a great tip! Extra bulk up there is always good.
      A comfy pillow is so important too for a good night sleep. I’m a fan of the classic sweater pillow as well, but lately I’ve been using the Sea to Summit Aeros pillow. It’s so good! Unlike any other camping pillow I’ve used and very lightweight.
      So many great new tips to try this winter. Bring on the snow! Cheers ? ✌️

  • September 18, 2017

    Really nice article & Info-graphic. So many people forget about how useful a sleeping bag liner can be! I like the sea to summit as well so effective!

    • Merel Lloyd-Parker
      October 11, 2017

      Thanks Shree!