Best sleeping bags for 2025 to keep cosy while camping

Outdoorsy types know that the key to being comfortable while sleeping under the stars comes down to the right kit. In the hallowed words of the Scouts and Girl Guides: be prepared.

A good sleeping bag is a must-pack essential if you’re planning to spend the night outside, whether you’re off to a festival, embarking on a family camping trip or going on a multi-day hiking or fishing trip.

Even in the summer when the mercury sometimes dances around the 30-degree mark in the UK, things can change rapidly as soon as the sun sinks into the horizon.

Keep the chills at bay with a hero sleeping bag that’ll keep you snug as a bug until daybreak. There are cloud-like down-filled duvet options for those travelling to their pitch by car as well as lightweight compact ones that you won’t quite believe will keep you warm in the early hours - until you slip into them.

Adult-sized sleeping bags are also great for guests staying over: they pack down compact and are easier to store than full-sized duvets.

We’ve checked out the best options for you below. From extra-long ones for tall campers to double-size designs with space for two to snuggle, here’s our pick of the best sleeping bags for adults.

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The North Face Blue Kazoo Eco Sleeping Bag

One of the reasons that The North Face is such a revered outdoor brand is its attention to detail; take this sleeping bag, for instance. It comes in a regular size, sure, but also a longer length to accommodate for tall campers. They even offer left-hand side zips to make things easier for the lefties amongst us.

Made from recycled fabric to curb textile waste, it’s also water repellent - handy if condensation tries to drip on you from your tent’s ceiling in the morning. The curved two-way zip, which skims the ankle from the shoulders, makes it a top choice for anyone who gets overheated feet. With the Eco Trail 2C, just unzip the lower portion and pop them out.

The knee area has been made wider to allow for more movement and there’s a drawstring in the hood to help you retain your body heat. An internal pocket is perfect for storing valuables you want to keep close to hand, and you can prevent the dreaded roll-off from your sleeping mat with the help of the tie-down loops.

We don’t say this often about sleeping bags, but The North Face’s design is a real thing of beauty.

Pod “The Beast” Sleeping Pod

One can’t help but harbour high expectations when a sleeping bag is named "The Beast", and we’re happy to report this electric blue option does not disappoint. It’s one size, but that shouldn’t be an issue for most: it measures 230 x 115cm when rolled out with a generous 60cm in the foot area, helpful for victims of restless trotter syndrome.

Designed for three seasons of use, everything from the double layer of synthetic filling to the cosy tartan lining conspires to ensure you have your most comfortable night outdoors ever.

Pystuvo Sleeping Bag for Adults

Do aesthetics matter as much as performance? Both are correct and present in this fun sleeping bag from Pystuvo which comes in six other cute colourways.

Suitable to use across all four seasons, the envelope style wraps you in blissful warmth yet there's enough wiggle room to turn around or throw a leg out if you start to overeat.

The sleeping bag comes with a travel compression sack that will squeeze every last gasp of air from it, making it much easier to pack into your bags.

Berghaus Transition 300 Sleeping Bag

The mummy-style sleeping bag is a popular one, mostly because it’s so darn good at keeping cold breezes out with the bungee-closing integrated hood. If you’re someone who always finds a chill, you’ll be pleased to hear that this Berghaus bag is made specifically for the colder months and is good to use for three seasons of the year.

The synthetic design is super insulating and comes with a raft of helpful extras: think security pockets for valuables in the inner lining as well as the pillow and a wind draft tube that locks out the cold.

There’s enough wiggle room for the average person too. All this at a weight of just 1.93kg - you can’t go wrong.

Mountain Warehouse Summit 250 Sleeping Bag

Suitable for three seasons, Mountain Warehouse's Summit sleeping bag is ideal for weathering anything British festival season throws at it. The item comes in a selection of bold hues including this fetching teal and is packed with hollow fibre stuffing to keep you toasty in the early hours. The regular size will fit campers who are 5"9 or less, but if you're taller - don't despair. There is a longer length suitable for those 6"4 tall too.

Naturehike Mini Outdoor Ultralight Envelope Sleeping

If you’ve managed to get a ticket to a long-awaited festival in the coming months, how and what you pack will be vetted with the eagle eyes of an army general. Every piece of clothing or kit adds more to your burden, so it’s only natural to want to keep bulk at a minimum.

You needn’t resign yourself to freezing overnight thanks to this pocket rocket of a sleeping bag.

The ultra-compact design measures 190 x 75cm yet, once packed, can be held in the palm of your hand and weighs barely anything (760g) - it’s nothing short of sorcery.

Granted it’s more for summer use with the comfortable temperature scale spanning 15 to -5 degrees, making it ideal for festivals or summer weekends camping. If you’re a hot sleeper anyway or you’re sharing a tent with a human radiator, it’s ideal.

Thermarest Space Cowboy Sleeping Bag

Best for: compact toastiness

Channel a new-age Tutankhamun in Therm-A-Rest’s SpaceCowboy sleeping bag, made with synthetic fabric and fibres to keep body heat where you want it - inside the bag.

Weighing 780g, it won’t take up much space in your kit bag at just 20 x 26cm when packed. You’ll stay comfortably warm even in lows of -6 degrees. The side zip makes it easy to get in and out of, helpful for midnight loo breaks. Best for sleepers 6ft and under.

Summit 250 XL Winter Sleeping Bag

If you’re planning to camp over the summer, there’s no need for cold night temperatures to deter you from your adventure. This cosy sleeping bag has been designed to keep you warm even in temperatures as extreme as -20 degrees. It’s all thanks to the superb insulation, formed of hollow fibre stuffing as well as heavy duty rip-stop fabric.

An integrated hood stops precious heat escaping from your head (although a warm beanie will no doubt help too). It’s made for people who move around or enjoy a little space when trying to drift off (side-sleepers, we’ve got you) with a maximum user height of 210cm - that’s around 6"4".

Night Cat Camping Sleeping Bag for Adults

Whether you plan to use this as a zipped up sleeping bag or simply a quilt to doze under, Night Cat’s sleeping bag is a superb choice for light camping in the spring, summer and autumn months. Measuring 160 x190cm fully unfurled, it features a double-side zipper which you can use to transform it into a blanket or simply open at the bottom to give your feet some breathing room. Artificial fibre is used for the filling making it perfect for anyone with allergies.

SIERRA DESIGNS Backcountry Bed 20 Duo / 650F DriDown Sleeping Bag

Two campers can cuddle up in this XL couples sleeping bag, filled with warming hydrophobic down to keep you cosy no matter the temperatures outside. The zipless design means you won't get limbs or hair snagged in the teeth and there is a self-sealing foot vent to keep extremities warm. It's designed to be oversized and mimic your bed at home, resulting in a deep restful snooze.

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