6 Tested 3-Season Sleeping Bags for Autumn Camping in 2025

Last Updated on 31 August 2025

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If you’re interested in a bit of autumn camping, knowing what the best 3-season sleeping bags are is one of the first things to consider to keep you warm on those chilly evenings.

If you’re new to camping, it’s easy to fall down the rabbit hole of all the different types of camping essentials you need, such as down sleeping bags and synthetic sleeping bags, but taking the time to find the right one can make such a difference.

I’ve spent countless nights camping, from chilly spring mornings in the Lake District to warm summer evenings in Cornwall, and having the wrong sleeping bag can make or break your entire adventure. In this 3-season sleeping bag guide, we go through the ones you should consider for maximum camping comfort on your next autumn adventure.

Let’s read on to find out more!

A tent and a sleeping bag outside on the ground with the sun rising. 3-season sleeping bags. Photo by Jack Sloop on Unsplash — Photo by Jack Sloop on Unsplash

6 Best Selling 3-Season Sleeping Bags to Try

1. North Face’s Cat Meow Sleeping Bag

North Face's Cat Meow Sleeping Bag. Source: Amazon

Key Features

Fully insulated hood to keep you warm on chilly nights
One of the premium sleeping bags that delivers a snug fit for maximum comfort
Recycled synthetic insulation

£150 – £200 on Amazon

Product Pros

Outdoor sleeping equipment trusted by serious adventurers worldwide
Shockcords on the back of the sleeping bag can attach to a sleeping pad so the pad stays in place while you sleep
Compression stuffsack included

Product Cons

Slightly higher price compared to budget sleeping bags

The Cat Meow from North Face is ideal for those chilly autumn camping nights when you want a bit more comfort and warmth on your camping adventures. We use this sleeping bag when we know the nights are going to be cold, as it has a fully insulated hood with a cinch collar, giving us that extra bit of warmth around our heads.

Offering a wide temperature range, it gives us the peace of mind to know that it’ll perform when temperatures drop while the synthetic insulation is particularly brilliant for UK conditions where dampness can be an issue. Overall, we’ve been impressed with its durability in cold, damp weather, particularly during variable weather conditions in the UK.

Comfort Rating: 0C
Limit Rating: -6C
Extreme Rating: -23C
Length: Short: 168 cm / Reg: 183 cm / Long: 198 cm / Extra Long: 213 cm
Season: 3-4 season

2. Mountain Hardwear Lamina Sleeping Bag

Mountain Hardwear Lamina Sleeping Bag. Source: Amazon

Key Features

Glow in the dark, reflective zipper pull
Standard mummy-style sleeping bag
Temperlite™ insulation delivers a lighter sleeping bag without sacrificing performance

£140 – £160 on Amazon

Product Pros

Great temperature rating for autumn camping
Lightweight and durable
Shaped draft collar blocks the escape of warm air

Product Cons

Expensive

Having tested sleeping bags in everything from chilly spring mornings in the Lake District to autumn camping trips in Scotland, the Mountain Hardwear Lamina series is exactly what I look for in serious outdoor sleeping equipment.

For families investing in quality family camping gear, this sleeping bag would be perfect for those autumn camping adventures where you need reliable warmth without the bulk of winter-rated bags. We have two of these Mountain Hardwear sleeping bags, and have found the 3-season sleeping bags reliable during the cooler months.

Comfort Rating: -4C
Limit Rating: -9C
Extreme Rating: -27C
Length: Max User Height Short: 173 cm; Regular: 183 cm; Long: 198 cm; Xtra Long: 208 cm
Season: 3-4 season

3. EMS Downtime 25 Sleeping Bag

EMS Downtime 25 Sleeping Bag. Source: Eastern Mountain Sports

Key Features

650 fill down insulation
Super soft liner to keep you comfortable
Extreme temperature rating of -30C

£74 – £155 on Eastern Mountain Sports

Product Pros

Good temperature range from spring through autumn, covering all your camping essentials
Packs down small
Premium down construction makes it one of the best camping sleeping bags

Product Cons

Higher price point compared to other 3-season sleeping bags

Having spent countless nights using different sleeping bags during family camping trips across the UK, the difference that quality down makes is amazing. I tried out the EMS Downtime 25 last September during a camping trip with my family in the Cotswolds, and the feeling of slipping into this outdoor sleeping equipment after a long day hiking was just what my body needed.

I’m a fan of mummy-shaped sleeping bags, as I like to feel nice and snug when I’m sleeping. I found that the EMS Downtime did the job of giving me a cosy night’s sleep without making me feel too restricted.

Comfort Rating: -6C
Limit Rating: -11C
Extreme Rating: -30C
Lenght: Regular: 183 cm; Long: 198 cm
Season: 3-4 season, cold nights, early winter

4. Summit 250 Sleeping Bag

Summit 250 Sleeping Bag. Source: Mountain Warehouse

Key Features

Temperature rating suitable for 3-4 season camping (but we only use it for up to 3-season camping)
100% polyester construction (shell, lining, and synthetic filling)
Full-length zip with mummy shape design for optimal heat retention

£24.99 – £59.99 on Mountain Warehouse

Product Pros

Great value and quality among the available budget sleeping bags on the market
Synthetic filling performs well in damp autumn conditions
Easy to care for and maintain with machine-washable construction

Product Cons

The Mountain Warehouse Summit 250 is an excellent entry-level sleeping bag that proves you don’t need to break the bank for comfortable nights outdoors. We have a few of these 3-season sleeping bags and have found that the synthetic filling consistently delivers reliable warmth without having to spend too much.

One thing to point out, though, is that even though the Summit 250 is rated as a 3-4 season sleeping bag, we haven’t used it on cold nights. With the nights we have used it on, I like the fact that this mummy sleeping bag features a snug and warm design, making it ideal for spring through to autumn adventures

Comfort Rating: 5C
Limit Rating: 0C
Extreme Rating: -15C
Length: Regular length 200cm. Max user height 180cm / 5’9″; Long length 215cm. Max user height 195cm / 6’4″
Season: 3-season, cold nights, but not frosty, from early spring to late autumn

5. Eurohike Snooze 300 Sleeping Bag

Eurohike Snooze 300 Sleeping Bag. Source: Amazon

Key Features

Designed for spring, summer, and autumn camping with reliable temperature performance
Lightweight and portable
Spacious rectangular sleeping bag

£20 – £30 on Amazon

Product Pros

Family-friendly design, making them perfect for comfort for adults, teens, and kids
Excellent value for money
Easy to maintain for your autumn camping adventures

Product Cons

Basic insulation. You might need additional layers for colder autumn nights

Making the list as one of our 3-season sleeping bags, the Eurohike Snooze 300 has good temperature ratings with an extreme rating of -12C, which, while I wouldn’t push the limits on, is good to know.

I like the fact that these rectangular sleeping bags are ideal for children who tend to fidget while sleeping, which mine certainly do, providing extra room to move around. If you’re doing some autumn camping this year, the Eurohike Snooze 300 is a good choice. When we first started camping with our children, and didn’t want to spend too much, we got a pair of these and found they performed just as we’d hoped for our children.

Comfort Rating: 5C
Limit Rating: 0C
Extreme Rating: -12C
Length: L190 x W75 cm
Season: 3-season, from spring through to autumn

6. Active Era Mummy Sleeping Bag

Active Era Mummy Sleeping Bag. Source: Active Era

Key Features

3-4-season mummy sleeping bag
Drawstring hood design
300GSM hollow fibre filling to keep you warm

£25 – £40 on Active Era

Product Pros

Good double-layer warmth
Retains heat better than rectangular sleeping bags
Easy to maintain

Product Cons

Bulkier than some other alternatives

The Active Era mummy sleeping bag is another great choice if you’re planning on doing autumn camping this year. It provides a good level of heat when zipped up, giving a snug fit with the mummy-style shape.

One thing to bear in mind is that you might find the foot area a bit narrow if you have big feet due to the tapered style at the bottom. Other than that, the sleeping bag was cosy is cosy to sleep in, and I like the drawstring cord around the hood, allowing you to stay nice and warm at night.

Comfort Rating: 10C
Limit Rating: 0C
Extreme Rating: -10C
Length: 220cm
Season: 3-4 season

Final Thoughts on 3-Season Sleeping Bags

Choosing among the best 3-season sleeping bags doesn’t have to be overwhelming. Remember, the perfect bag balances your specific needs, whether that’s ultralight backpacking through Scotland or cosy family camping in Devon.

Consider your typical camping conditions, budget, and how often you’ll use it. And don’t forget to test your new sleeping bag before heading out on that dream adventure.

Ready to find your perfect sleeping companion?

For more outdoor inspiration, check out our related guides:

Happy camping!

Have you found this 3-season sleeping bags guide useful? Are there any other brands we should include on our list? Share your thoughts in the comments below!

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6 Tested 3-Season Sleeping Bags for Autumn Camping in 2025