10 Best Pro Action 300gsm Adult Mummy Sleeping Bag in The UK

Last updated on 28/06/2025

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Highlander XL Sleeping Bag - Extra Wide Sleeping Bags for Adults - Rectangular, Lightweight & Water-Resistant - Soft Inner Lining - Indoor & Outdoor Use - Ideal for Camping

21% OffFree Shipping

Why We Love It

Extra large for comfort sleep.
Ultra soft for warmth.
Anti snagging zip feature.

Main Highlights

XL Size Highlander Sleephaven Extra Large Sleeping Bag; Our XXL sleeping bags are made specifically with comfort in mind so you can stretch out from head to toe and never feel restricted while you sleep
️ Ultra Soft Comfort touch inner lining and 350 Mono HollowFibre filling work seamlessly to give a warm and comfortable night's sleep in temperatures as low as 3 degrees
Anti Snagging Zip You won’t have to worry about struggling to close or snag yourself while using a sleeping bag after a long day of hiking
️ Reinforced Stitching Includes a good-sized stuff sack to help protect your bag; Strengthened specific stress points to ensure it doesn’t split when putting your sleep capsule away
International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Active Era Professional 300 Warm Mummy Sleeping Bag - 300 GSM Double Layer Filling - 3-4 Season for Camping, Hiking, Outdoors

18% OffFree Shipping

Why We Love It

Keeps toasty in cold weather.
Machine washable and water resistant.
Secure zipper and storage pouch.

Main Highlights

ULTRA-WARM 3-4 SEASON: This sleeping bag has been designed with a 300GSM (2 x 150g/m2) double-layer filling making it perfect for use in 3-4 seasons. Whether you are camping, hiking, or travelling this sleeping bag for adults and kids will keep you warm and comfortable after a long day of activities.
COSY MUMMY DESIGN: The figure-hugging mummy design tapers in at the leg, this design is more efficient in keeping you warm in colder temperatures than regular rectangle sleeping bags. A built-in hood with drawstring helps to keep your head as warm as your body.
FOR ADULTS, TEENS & CHILDREN - This single sleeping bag measures 220 x 80 x 55 and is perfect for all ages. Compression bag included for easy carrying.
WATER RESISTANT & MACHINE WASHABLE: This Active Era sleeping bags for boys and girls is treated with an invisible water-repellent layer to ensure it keeps you dry in damp weather whilst remaining lightweight and durable. The hard-wearing and easy to clean material means the sleeping bag is fully machine washable too.
UPGRADED ZIPPER & INTERNAL POCKET: Our advanced zipper design ensures your zip never gets caught when opening or closing the sleeping bag. Keep your valuables safe overnight by using the internal storage pouch.
ACTIVE ERA CAMPING SUPPLIES – Active Era is one of the UK’s fastest growing camping brands with a range of sleeping bags, Camping beds, camping mats and tents. Trust Active Era for your next camping trip!

MalloMe Sleeping Bags for Adults & Kids Sleeping Bag 3-4 Season - Ultralight Backpacking Sleeping Bag Cold Weather & Warm, Lightweight Compact, Single Adult Girls Boys Winter Sleep Camping Accessories

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Why We Love It

Year-round suitability enhances convenience.
Innovative design guarantees warmth.
Enables comfortable outdoor sleep.

Main Highlights

BEST YEAR ROUND SLEEPING BAG - Experience the best balance of comfort in spring, summer, fall, and cool weather. Temperature rated for comfort from 10°C to 25°C. Easily fits a 6ft adult and weighs only around 3lbs. The ultra-strong, waterproof outer protective shell is made from our unique waterproof hex-tech design, double-layered with S-shape stitching, and 3D inner synthetic fiber fill for optimal warmth and insulation to protect you from the elements.
CAMP IN COMFORT FOR ALL AGES - Bring the comfort of your own bed to the great outdoors. Our camping sleeping bags are engineered to guarantee a good night's sleep after a hard day of activities. No matter how tough the terrain or long the day, sleep well with MalloMe. And with vibrant colours loved by both boys and girls, they're great for kids too!
ULTRALIGHT FOR BACKPACKING - A must have for hiking, backpacking, and camping, the perfect balance of performance and lightweight materials for every adventure. Each sleeping bag comes with a compression sack with straps, which makes it super convenient to store and easy to carry.
EASY TO CLEAN - Our waterproof outer shell is easily wiped clean with a damp cloth. In case of heavy soilage the sleeping bag is designed for machine washing as well, ensuring easy maintenance and longevity.
EXCELLENT DESIGN - Enjoy high-quality double-sided zippers that are snag-free and super satisfying to use. Tug those drawstrings in the headrest to bring the bag a little closer to your head for extra warmth in colder weather. While you’re there, pat that extra velcro securing strap too - it’ll keep you nice and snug with no unwanted zipper movement. Great sleeping bags for adults and kids.

BISINNA Sleeping Bag with Pillow - 4 Season Lightweight Waterproof Warm Sleeping Bag with a compression sack for Adults, Women, Men's Outdoors Camping, Hiking, Backpacking (4 Season/Blue/Left)

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Why We Love It

Ultimate sleep experience guaranteed.
Skin-friendly and waterproof design.
Easy to clean and portable.

Main Highlights

[Ultimate Sleep Experience] When you are on your outdoor adventures a good night's sleep is necessary and BISINNA sleeping bag will help in keeping you warm, cozy and rested. The camping bags use 400GSM hollow cotton to keep you warm all night. Further, the comfort temperature is at 10°C/50°F, comfort limit is at 5°C/41°F and extreme temperature is at 0°C/32°F.
[Skin Friendly and Waterproof] The surface of the sleeping bag has 210T polyester and hollow cotton as filler, thereby making it soft, comfortable, skin-friendly and waterproof, so that you can get rid of a tiring day of hiking, camping, travel, outdoor activities or any other exploration.
[Easy to Clean and Portable] The sleeping bags are machine washable, thereby making them easy to clean. Further, the bag comes with a compression sack with straps, which makes it convenient to carry and store the sleeping bag, wherever you go.
[Functional Design] A right zipper sleeping bag and a left zipper sleeping bag can be zipped together to make way for a double sleeping bag, suitable for a couple or a family. Also, a separated zipper at the bottom is present so that you can free your feet for temperature control and a half circle hood with an adjustable drawstring keeps your head warmer even in extreme conditions. The single sleeping bag could be spread out as a blanket or a quilt at home.
[After Sales] If you are not satisfied with the product or if you have any questions pertaining to the product, please contact us.

Sleeping Bag 3 Seasons (Summer, Spring, Fall) Warm & Cool Weather - Lightweight,Waterproof Indoor & Outdoor Use for Kids, Teens & Adults for Camping Hiking, Backpacking and Survival (Red)

15% OffFree Shipping

Why We Love It

Keeps you warm effortlessly.
Convenient to carry.
Easy to clean.

Main Highlights

DESIGNED FOR COOL AND COLD WEATHER - Our sleeping bags have a waterproof, weather-resistant design to keep you warm even in extreme conditions - this is achieved through double-filled technology.
USED FOR 3 SEASONS - Rated temperature 41-77℉(5-25℃). Comfort temperature is 50-68℉(10-20℃).Portable,lightweight & compact design which is convenient to carry along for emergency, and its ability to withstand extreme weather conditions – certainly the best sleeping bag for backpacks and adventures.
EASY TO CARRY AND CLEAN – The sleeping bags are also extremely easy to clean as they are safer for machine wash. Each sleeping bag comes with a travel-friendly carry bag, a compression sack with straps, which makes it quite convenient to store and carry the plush sleeping bag along.
BOTTOM ZIPPER DESIGN - Separated zipper at the bottom can also make your feet often come out through the wind , you can sleep well. Sleeping bags are available in a variety of colors, personalized for the whole family to choose，and it is the best gift for boys and girls.
MATERIAL - Outer Cover Material:210T Nylon, Cozy, Waterproof and Breathable Fabrics;Lining Material: 190T Polyester Pongee; Fill-Material: 100% hollow fiber.The sleeping bag is a good gear for traveling and walking.

azark Premium Lightweight Sleeping Bag for Adults & Kids, 400 GSM, 4 Season Waterproof Sleeping Bag, Comfortable & Portable, Machine Washable, Camping & Hiking Essential (Black/Green)

16% Off

Why We Love It

Spacious and comfortable design.
Four season performance.
Lightweight and portable.

Main Highlights

✅ Spacious & Comfortable Design – Measuring 220x75cm, this sleeping bag provides plenty of space for a restful night’s sleep. The soft 190T polyester inner lining ensures ultimate comfort.
✅ 4 Season Performance – Designed for temperatures between 5-25°C, with an ideal comfort range of 10-20°C, making it perfect for camping in spring, summer, autumn, and mild winter conditions.
✅ Lightweight & Portable – Weighing only 1.3kg, this sleeping bag is easy to carry and store. Includes a compact carrying bag, making it ideal for hiking, backpacking, and travel.
✅ Durable & Waterproof – Crafted with a high-quality 190T polyester fabric, this sleeping bag is water-resistant, ensuring you stay dry and cozy even in damp conditions.
✅ Easy to Clean & Maintain – Machine washable at 30°C, designed for hassle-free cleaning after outdoor adventures. Built to last through multiple trips!

Silentnight Sleeping Bag for Adults - 3 Season Lightweight Soft Thick Cosy Warm Mummy Sleeping Bag for Spring Summer Camping Hiking Outdoor Travel for Warm and Cold Weather - Black

10% OffFree Shipping

Why We Love It

Comfort and coziness guaranteed.
Adaptable for diverse uses.
Environmentally friendly materials.

Main Highlights

COSY COMFORT: Cosy and comfortable for a great night's sleep wherever you are, from the UK's most trusted sleep brand.
SOFT AND SNUGGLY: made using lightweight, soft fabric and Softfill™ fibres that are extra fluffy and snuggly for ultimate comfort.
3 SEASONS: Ideal for Spring and Summer camping trips, keeping you comfortable during temperatures as high as 12° C and as low as 0° C.
LIGHTWEIGHT DESIGN: Weighs only 1.3kg, making it ideal for backpackers and campers seeking to minimise their load without compromising warmth and comfort; Machine washable to keep your sleeping bag feeling fresh and clean
MULTI-USE: Can be zipped for use either as a sleeping bag or open as a cover.
DURABLE & LONG LASTING: Sleep well in the great outdoors filled with durable 100% recycled materials, preventing at least 23 plastic bottles from going into the ocean or landfill.

trail outdoor leisure

Trail Mummy Sleeping Bag For Adults, Single 3 Season Spring Autumn Winter, 300gsm, Waterproof, Outdoor Camping, Internal Pockets, Lightweight Compression Bag

Why We Love It

Ultimate warmth and comfort.
Effective in all seasons.
Easy temperature regulation.

Main Highlights

DELIVERS ULTIMATE WARMTH & COMFORT: Enjoy a sound night’s sleep when you’re camping with this 3-Season Mummy Sleeping Bag from Trail Outdoor Leisure. Designed with a 300gsm hollowfibre filling, water-resistant 190T polyester shell and breathable polycotton liner which feels soft and gentle against the skin for ultimate comfort when you’re sleeping.
A TOP CHOICE FOR EVERY SEASON: Our 3-season sleeping bag's snug 300gsm hollow fibre filling delivers peak comfort at temperatures of 0°C with an extreme temperature rating of -10°C to keep you warm over the colder, winter months. A maximum temperature rating of 10°C also allow you to use it during the spring, autumn and cooler summer months.
SNUG MUMMY SHAPE WITH WARM DRAWSTRING HOOD: Our mummy sleeping bag has been specially designed with warmth in mind. Its narrow mummy shape sits snugly to your body to trap your natural body heat and insulate you from the cold. It also features a snug drawstring hood to keep your head comfortable, cushioned and warm when sleeping.
ANTI-SNAG 2-WAY ZIPPER: A 2-way zipper allows you to easily regulate the temperature inside the sleeping bag. Keep it fully zipped for optimal warmth or create an opening along the zipline to release heat and cool you down. The 2-way zipper also allows you to change the side the sleeping bag unzips on, depending on whether you’re left or right handed.
INTERNAL STORAGE POUCH & COMPRESSION SACK: Keep your phone and money safe when you're sleeping by storing them in the sleeping bag's internal storage pouch. The sleeping bag also comes with a lightweight compression sack to easily store and carry on camping trips. The single sleeping bag measures 220cm x 80cm (40cm at narrowest point).

Andes Nevado 400 XL 4 Season Camping Mummy Sleeping Bag Black/Grey

Why We Love It

Certified EN ISO temperature ratings.
Highly thermally efficient design.
Lightweight and compact.

Main Highlights

RATINGS: The Andes Nevado 400 sleeping bag has been certified to EN ISO 23537-1:2016 standards and awarded temperature ratings: Comfort 3°C/37ºF, Limit -2°C/28ºF and Extreme -19°C/-2ºF
MUMMY: The mummy shaped sleeping bag is the most thermally efficient. Wide at the shoulders with a pronounced taper to a narrow foot, reducing the amount of space and air to be heated within the bag. Size: 240 (94”) x 90 (35") x 60cm (24")
MATERIAL: Made from 190T polyester, it is extremely light and versatile but still comfortable, with 400GSM hollow fibre filling ensuring maximum heat retention without sacrificing low weight
FEATURES: Internal storage pocket for phones, keys and more. For extra warmth and comfort the sleeping bag has an adjustable drawstring hood and shoulder baffle.The XL bag will easily fit the tallest of people
COMPACT: The sleeping bag comes with a compression sack that reduces the bag down to a packed size of 35 x 25cm, making this ideal for travellers who need to be wary about size limitations. Weight: 2kg approx

azark Premium Single Sleeping Bag, 350GSM, Lightweight and Waterproof, 4 Seasons of Camping, Hiking and Outdoors, Sleeping bag for Adults & Kids (Black)

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Why We Love It

Extremely comfortable and ultra-warm.
Lightweight and easy to clean.
Designed for warm weather.

Main Highlights

❄️ azark Sleeping bag – The dimensions are 210cm x 80cm. Comfortable temperature between +7° and +20° degrees celsius. -4° degree celsius for extreme conditions
🌞 Cosy Mummy sleeping bag – The sleeping bags are designed to become smaller toward the feet to reduce the amount of air circulation which should help keep you warmer.
☁️ Extremely comfortable and ultra-warm – Designed with a 350GSM and with hallow cotton filling these bags are perfect to keep you warm and comfortable after a tiring day. Perfect for camping trips, hiking, festivals and indoor and outdoor sleepovers.
⛰️ Lightweight and easy to clean – Each sleeping bag weighs 1.29kg and has a waterproof travel bag which makes it very easy to carry on your trips. The sleeping bags are easy to clean for machine wash.
💧Designed for warm and cool weather – Our sleeping bags are waterproof and with double filled technology they are designed to keep you warm in extreme conditions

8.7

Excellent

We scanned 1467 products

We reviewed these offers relevant to the Pro Action 300gsm Adult Mummy Sleeping Bag within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Highlander, Active Era, MalloMe, BISINNA, SWTMERRY, azark, Silentnight, trail outdoor leisure, Andes, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Pro Action 300gsm Adult Mummy Sleeping Bag in the market, we considered we took a deep dive into 7336 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Highlander XL Sleeping Bag - Extra Wide Sleeping Bags for Adults - Rectangular, Lightweight & Water-Resistant - Soft Inner Lining - Indoor & Outdoor Use - Ideal for Camping. We love many things about this product by Highlander. What sets it apart from the competition is Extra large for comfort sleep, Ultra soft for warmth, Anti snagging zip feature.
The best value product for most shoppers and where user satisfaction is continuously the highest is Active Era Professional 300 Warm Mummy Sleeping Bag - 300 GSM Double Layer Filling - 3-4 Season for Camping, Hiking, Outdoors by Active Era based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Pro Action 300gsm Adult Mummy Sleeping Bag and the best cost-to-value ratio is Highlander XL Sleeping Bag - Extra Wide Sleeping Bags for Adults - Rectangular, Lightweight & Water-Resistant - Soft Inner Lining - Indoor & Outdoor Use - Ideal for Campingat Highlander with a 21% discount.
Our list of the best Pro Action 300gsm Adult Mummy Sleeping Bag is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Pro Action 300gsm Adult Mummy Sleeping Bag in The UK

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We scanned 1467 products

We concluded that: