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Best Ultralight Sleeping Bag Under $100

When you consider the cost of boots, trekking poles, tents, and sleeping bags, hiking across the country might put a dent in your wallet.

But hold on.

Unless you’re going to need to survive -30 degrees in a harsh outdoor environment; you don’t have to spend 500 bucks on a heavy sleeping bag that could crush you under its weight.

I’ve been thinking about purchasing a lightweight sleeping bag that I could use on my trips to beautiful Turkish islands. Being a Mediterranean country and all, it has mild, gorgeous winters, with temperatures not exceeding 8-10 °C!!!

Speaking from experience, you probably wouldn’t even need a sleeping bag for this kind of temperature. But I still wanted something cheap, ultra-lightweight, easy to pack and carry around. After a long search and due diligence, I went with the cozy and beautiful looking Marmot Trestles 30 Mummy Sleeping Bag. I think it is the best ultralight sleeping bag you can buy under 100 dollars.

But there are still other great options on the market that are optimized for different climates, budgets and might suit your needs better.

So..

What are the best ultralight sleeping bags under $100?

1. Marmot Trestles 30 

As I mentioned above, this is my bag of choice. 

It’s a high-loft insulated, standard mummy-style sleeping bag that promises a warm and soft sleep time. And boy, do they deliver on that promise! My first night in it was as comfortable as the boutique hotel I stayed the day before. I slept out on the beach without a tent. It was around 13degrees at night, and I actually got too warm. 

Please note that although it will keep you warm, it’s unfortunately not waterproof, which is not surprising for the price point. So you better set up your tent on dry ground. Other than that, there isn’t much bad to say about Marmot. It’s incredibly light at only 3 pounds, and unlike rectangle sleeping bags, it’s shaped after human anatomy. Giving you more wiggle room to move your legs and hands around a little, while not letting the hot air escape.

Unlike a couple of other sleeping bags that I own, putting it back in its container isn’t a 2 men’s job either. Just roll it as best as you can, put in the bag, and zip it.

Marmot Trestles 30 will probably be my best 3 season camping sleeping bag. 

 

2. Teton Sports LEEF +20°F 

That was my wife’s choice of sleeping bag due to its bright, high visibility green color. She thinks that it’s crucial we don’t get hit by a bunch of drunk driving teenagers offroading on the beach at night. Well, whatever helps her sleep at night (HA HA!).

Now I didn’t spend a full night in it… But counting on the fact that she didn’t wake me up in the middle of the night, threatening me with a brutal death unless we switched bags, I can tell that it’s a pretty damn comfortable and warm sleeping bag.

According to the manufacturer Teton, it’s EN rated up to 5F (-15C) but provides a very comfortable night up to 5C. Colder than that, and you’re stepping into the danger zone. You won’t freeze to death, but it’s not gonna be a comfortable sleep either.

For those of you who get cold feet, it has extra layers inside the foot box. Added insulation simply provides more heat around that area.

If you’re not much into neon green, it has full black, full red, yellow-gray, and green-gray colors available as well.

 

3. TETON Sports Tracker +5F Ultralight

I went back and forth between the Teton and my Marmot. But picked the Trestles 30 for its incredible weight. Now don’t get me wrong, its also as ultralight as it gets at 1.9kg (4.1 pounds in freedom unit)

Weighing just a pound more than my #1 pick, it’s still a perfect choice if you need an ultralight, easy to pack and comfortable sleeping bag. It also costs twenty bucks less than my top pick.

People who use this bag say they literally sweat inside it at 45F degrees at night. But it gets a little bit colder at around 25F. Still, if you wear socks, long sleeve shirts and all, you’re going to have a comfortable night. Especially if you put your full head inside the bag and only leave a small breathing hole.

The only problem I can see with this one is, its pockets are oddly placed, and they stick out when you put your keys or phone in it, which could be a little uncomfortable.

Oh, one last thing; it’s water-resistant and one of the easiest to pack sleeping bags out there thanks to the compression bag that’s included in the price.

It is an f’ing steal and thinking back, I probably should have gone with this one. I didn’t realize it was water-resistant when I ordered mine a month ago. But at this price, I might as well add it to my all-season sleeping bags collection.

4. TETON Sports TrailHead +20F Ultralight

One of the guys in our travel group bought two of those. One for himself and another for his daughter. Even though it has a 20degrees survival rating, they had a really comfortable night where temperatures dropped below 50. She was lightly dressed too! Put on some thick, warm clothes, and you’re gonna sleep comfortably in freezing temperatures.

You aren’t exactly buying the lightest, nor warmest sleeping bag. But if budget is your main concern, you won’t find anything better than that. This is probably the cheapest sleeping bag on our roundup.

 

5. Kelty Tuck 22 Degree Sleeping Bag

Another synthetic sleeping bag filled ThermaPro insulation that can be compressed easily, and it keeps the warm air in, cold our out too! 

If you like to put on some beautiful music before falling asleep under a beautiful night sky, it has a built-in storage pocket you’ll love. Put your phone or media player inside the safe pocket, wear your wired/wireless earbuds, and keep your valuables away from the mud, water, and morning dew.

It has a lower limit temperature of 20F, which is roughly around -6C 

Weighing at less than 1KG, it’s an extremely lightweight sleeping bag that’ll keep you warm during your 3 season hiking and camping trips.

Please note that unlike the TETON sleeping bag we looked at above, 20F is the survival temperature, not the comfort zone. Also, campers taller than 6 feet might want to look at better alternatives as its even the longest version still won’t be long enough for you.

 


That’s all folks. These are my top 3 best ultralight sleeping bags under $100. 2 of which I used myself. You could find many more budget, affordable lightweight sleeping bags in the market, but I haven’t looked into many of them just yet.

If you have some other sleeping bag in your mind that would fit in this list, let me know down in the comments.

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