I’m a stickler for a top-quality sleeping bag – these are the 3 best models I’ve seen in 2025

While a suitable best tent is clearly the most vital ingredient for a relaxed night under the stars, few other camping items influence comfort, warmth and overall trip success quite so directly as the humble best sleeping bag.

Whether your priorities lean toward lightweight backpacking efficiency, spacious car-camping comfort or premium-level glamping luxury, sleeping bag manufacturers have got you covered with an eclectic range of bags from down-filled to synthetic, and at vastly different price points.

With this in mind, I’ve alighted on three sterling sleeping bags that have really impressed me in 2025 – bags that combine smart design, dependable performance and thoughtful features to help make your next camping trip go with a swing.

My favourite sleeping bags of 2025

Best overall

Rab Solar Ultra 2

Although it’s been on the market for a while, the T3 Platinum-awarded Rab Solar Ultra 2 is a thoroughly well designed three-season synthetic sleeping bag that delivers reliable warmth at an amazingly low price, at least for a Rab product.

Built around the Derbyshire-based company’s Stratus recycled insulation, TILT (Thermo Ionic Lining Technology) heat-reflective lining and 20D Atmos recycled polyester shell, the three-season Solar Ultra 2 offers an impressive 38gsm of loft for a synthetic bag, maintaining excellent thermal performance even in damp conditions.

At 1,140g, the Solar Ultra 2 isn’t the lightest option on the market and it doesn’t pack away as small as a down-equivalent model, but in our tests it has provided a consistent level of warmth across varied conditions, especially in the UK where nights can become quite chilly and damp.

I’m not a massive fan of tightly-tapered mummy-shaped sleeping bags but this one provides a little more room at the elbows and in the foot well, allowing for some extra wriggle room. I’m especially enamoured of this model’s adjustable hood, heat-trapping neck baffle, 3/4 length main zip with anti-snag zip insert and, uniquely, the inclusion of a mobile phone-cum-battery pocket that saves rummaging around in the dark.

If you’re in the market for a keenly-priced, eco-friendly and moisture-resistant synthetic bag for your spring to autumn adventures, the Rab Solar Ultra 2 remains my top choice for 2025.

Read our full review of the Rab Solar Ultra 2

Best for car camping

Quechua Arpenaz 0˚ Ultim Comfort

The Quechua Arpenaz 0° Ultim Comfort cotton sleeping bag from Decathlon is a decidedly non-technical choice in a market dominated by lightweight synthetics – and that’s one reason why I like it so much.

For starters, its rectangular design (225 x 80cm) and plush organic cotton lining create a duvet-like experience that feels so much more homely than a performance-oriented mummy-style bag. And because it’s rectangular, there’s plenty of leg room and internal space to stretch, sprawl or shift positions without feeling hemmed in.

Technically, this bag is built for temperate three-season use around 0°C and comes with 350gm polyester wadding for very decent insulation in periods like early spring and late autumn. I also love the sewn-in insulated neck warmers that pull out from recesses in the hood to lie in a criss-cross pattern across the neck area, and the fact that you can unzip the entire bag for use as a duvet or join it to another single to create a full-sized double.

This model excels in scenarios like car camping, glamping and laid-back outdoor nights where comfort trumps pure performance and you don’t have to worry about pack size and weight (in this instance 2.8 kilos).

However, you should bear in mind that the Arpenaz’s cotton interior, while soft and breathable, absorbs moisture more readily than synthetic fabric so it can initially feel a mite damp in very humid conditions.

Read my full review of the Quechua Arpenaz 0° Ultim Comfort

Best 3-season backpacker

Big Agnes Fly Creek UL 25˚

This adorable high-performance down-filled option from Colorado-based Big Agnes is one of the lightest and smallest sleeping bags I’ve ever seen – just 785g in weight and a tiny 25 x 20cm when stuffed into its moisture-resistant sack. Honestly, pulling it out of its sack is like one of those magic tricks – it just keeps on coming – and it’s just as seemingly impossible when stuffing it all back in which, incidentally, is performed with surprising ease. When laid, out it gradually expands into a voluminous cloud of cosy-giving warmth.

Constructed using 100% DownTek with an impressive 850 fill power, the Fly Creek’s amazing insulation is treated to resist moisture, maintaining its huge loft even in damp conditions and temperatures as low as -4˚C (25˚F). The diamond-quilted shell itself is made from ultra-light, recycled NetPlus ripstop nylon and finished with a durable water-repellent coating to further reduce moisture absorption. And unlike most technical bags, this one comes with a half-length, front-mounted YKK zip which I have found easier to use than the side-zip variety.

The Fly Creek regular measures 152cm in length, with a girth of 137cm and a narrow foot box of 92cm. If this seems a little too measly for you, consider the long version which has more length (160cm), a wider girth (145cm) and a slightly wider foot box (99cm).

If you’re a keen backpacker, bikepacker or mountain trekker who values extremely low weight and small pack size without compromising on outright warmth, the Big Agnes Fly Creek UL 25° is a sterling choice and my favourite down option for 2025. Full review incoming!

Buying advice

Choosing the right sleeping bag depends on how, where and when you plan to use it. For backpacking, weight and packability are the top priorities, so look for lightweight down or advanced synthetic insulation, a tapered mummy shape to maximise thermal efficiency and a temperature rating that matches the coldest nights you expect. High fill-power goose down offers extra reassurance in cold weather at the expense of being more affected by damp conditions. But on the plus side, down-filled bags are much smaller and lighter to pack.

For car camping, comfort and space matter far more than weight and pack size, so choose a wider rectangular bag with thicker insulation and practical features like internal pockets, draft tubes for the neck area and, if necessary, the ability to zip two bags together.

If glamping, consider cotton, flannel or quilt-style designs that mimic your home bedding, along with generous sizing and attractive fabrics. Since portability isn’t an issue, you can prioritise warmth, texture and overall cosiness to elevate the experience. Perhaps even consider packing your duvet and a cotton sheet for the ultimate in glamping luxury.