0 degree sleeping bag
For your mountain expeditions or nights under the stars, choosing the right sleeping bag is crucial. Our range of 0-degree sleeping bags offers the warmth and comfort needed for restorative nights, even when temperatures drop. Ideal for hikers and backpacking enthusiasts, these lightweight and compact sleeping bags do not compromise on thermal performance. With advanced technologies and quality materials, each sleeping bag is designed to keep you warm, whilst minimising backpack weight. For nights in the mountains or cold-weather excursions, trust our expertise to provide you with comfortable nights below zero. Finally, to explore further, discover our complete selection of sleeping bags suitable for every adventure.
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Extra 10% off
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Recommended price
£319.51
-15%
£271.57
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Recommended price
£338.31
-10%
From £304.47
- Regular (180)
- Long (205)
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Recommended price
£545.11
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From £381.55
The Sea To Summit Spark -9°C/15°F is a lightweight, packable sleeping bag with optimal thermal insulation, water resistance, and a body-hugging mummy shape for extreme conditions.
- Regular (<185)
- Long (<198)
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Recommended price
£375.91
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£300.71
Suitable for women, the Sea To Summit Ascent Women's -1°C/30°F Lemon Green sleeping bag is perfect for a warm night's sleep.
- Regular (<170)
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Recommended price
£385.31
-9%
From £347.71
- Regular (180)
- Long (205)
New model
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£460.51
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From £412.66
The Core 750 Navy Blue sleeping bag by Pajak features a high-quality Polish white duck down with a fill power of 700 Cuin, ensuring optimal thermal insulation.
- Regular (180)
- Long (205)
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£592.11
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£441.71
- Regular Left Zip (Droitier)
- Long Left Zip (Droitier)
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Recommended price
£441.71
-25%
From £330.79
The Nemo Riff Men's 15 Goodnight Grey is an eco-friendly, comfortable and durable sleeping bag, designed for outdoor adventures, with features ensuring optimal protection against cold and moisture.
- Regular (183)
- Long (198)
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Recommended price
£319.51
-25%
From £239.61
The Nemo Soul 15/25 sleeping bag in Smokey Olive, Fog, and Spicy Orange combines warmth, comfort, and water resistance with an eco-friendly design made from recycled materials.
- Regular (183)
- Long (198)
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Recommended price
£357.11
-5%
£338.31
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£469.91
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£352.41
Not bulky when packed, the Rab Neutrino 400 Left Nightfall Blue sleeping bag benefits from a goose down fill with an 800FP loft.
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£469.91
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£352.41
Designed for women, the Rab Neutrino 400 Wmns Left Nightfall Blue mummy shaped sleeping bag guarantees to keep you warm thanks to its RDS certified goose down fill.
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£281.91
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£211.41
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£347.71
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£243.37
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DAY RETURNS
Fixed costs
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£498.11
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£375.91
The Neutrino 400 Long Left Nighfall Blue sleeping bag from RAB offers a very interesting weight/volume/ warmth ratio to follow you on all your expeditions.
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£563.91
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£422.91
Super lightweight and ultra-compressible, the Rab Neutrino 600 Wmns Nightfall Blue women’s sleeping bag is efficient against the cold thanks to its 800FP loft goose down fill.
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New colour
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£310.11
Mountain Equipment's Olympus 650 Admiral Blue sleeping bag offers optimal insulation for your nights out in cold weather.
- Regular Left Zip (192)
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New colour
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£310.11
Mountain Equipment's Olympus 650 Women's Rhubarb sleeping bag provides optimum warmth and comfort for cold-weather bivouacs.
- Regular Left Zip (180)
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Recommended price
£216.11
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From £161.59
- Long Left Zip
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£187.91
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£169.11
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From £137.15
- Long (198)
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0 degree Sleeping Bags: Versatile for All Conditions
Sleeping bags rated for 0 degrees are an excellent choice for your mountain adventures across three seasons. Their versatility makes them ideal from the early days of spring to the cool evenings of autumn. They may even be sufficient in winter when paired with a thermal sleeping bag liner, providing extra warmth. Given the often unpredictable weather in the mountains, 0 degrees is the minimum comfort temperature when planning to spend a night outdoors, even in summer.
What Fill to Choose for Sleeping Outdoors?
When planning to invest in a sleeping bag, it is essential to consider the type of fill. In the outdoor industry, there are generally two main types: down filled sleeping bags and synthetic filled sleeping bags. Depending on your activity and priorities, you will choose the option that best suits your needs.
Down: Warm, Compact, and Lightweight!
Down-filled sleeping bags have the advantage of being lightweight and easily packable. Goose down is widely used for its excellent weight-to-insulation ratio. It effectively retains heat, minimising heat loss.
These sleeping bags will fit perfectly in your backpack and often take up less space than synthetic sleeping bags, leaving more room for the rest of your gear.
Synthetic: Better Comfort in Wet Conditions
On the other hand, synthetic 0-degree sleeping bags tend to be heavier than down-filled ones. Less packable, they will take up a bit more space in your backpack. They can be an interesting option for budget-conscious hikers who want to enjoy a night in the mountains, as they are generally less expensive than down-filled sleeping bags.
But this material is not only for beginners. The excellent water resistance and moisture resistance of synthetic fills sometimes make them the preferred choice for adventurers who venture into the mountains regardless of weather conditions. Down, on the other hand, tends to absorb water easily and can be difficult to dry.
So, it's not just your comfort priorities that will influence your decision but also the terrain and weather you are likely to encounter during your escapades in nature.
Which 0-Degree Sleeping Bag for a Mountain Trek?
As explained earlier, nights during high-altitude mountain treks can be surprisingly cool. In these wild conditions, the weather can change drastically from one moment to the next. From a sunny day in the valley, fog and cold can quickly set in as you approach your day's goals. Being aware of the unpredictable nature of mountain weather, the choice of your sleeping bag should be made accordingly.
Ultra-Light Trekking Sleeping Bags
Ultra-light sleeping bags are designed to be extremely light and compact, making them ideal for outdoor activities such as backpacking, light camping, and trekking. They are generally made of high-quality technical materials like goose down or advanced synthetic fibres, providing good thermal insulation while being very light.
These sleeping bags often feature minimalistic characteristics to reduce weight and volume, such as lightweight zippers, fitted hoods, and ultra-light fabrics. They are designed to be packable, taking up minimal space in your backpack.
When choosing an ultra-light sleeping bag, it is important to consider your thermal comfort level, the weather conditions in which you plan to use it, and the bag's durability. While they offer excellent lightness and insulation, some models may be less durable than heavier, more robust sleeping bags.
How to Maintain Your 0-Degree Sleeping Bag?
Properly maintaining your sleeping bag will extend its lifespan and ensure its effectiveness. Here are some tips to follow:
- Air it out after each use: After each use, shake out your sleeping bag and let it air outside for a few hours to remove moisture and odours.
- Use an appropriate storage bag: Store your sleeping bag in a suitable storage bag when not in use. Avoid compressing it for too long, as this can reduce the insulation's effectiveness.
- Proper storage: Store your sleeping bag in a dry, airy place, way from direct sunlight and any heat sources. Ensure it is completely dry before storing to prevent mould.
- Repair tears: If your sleeping bag has tears or holes, repair them immediately to prevent them from getting bigger. Use a sleeping bag repair kit or tape for temporary repairs until professional repair, if necessary.
- Regular cleaning: If your sleeping bag is machine washable, follow the manufacturer's instructions for washing. Use a mild detergent and a delicate cycle. Rise thoroughly to remove all detergent residue. If the sleeping bag is not machine washable, consider having it dry cleaned.