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5 Best Rectangular Sleeping Bags of 2025

Last Updated - 23/05/2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Highlander

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

Highlander

£44.99

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Main highlights
- VERSATILE AND CUSTOMER-LOVED DESIGN: Highly praised for its oversized width, it’s perfect for adults seeking extra comfort or even as a double sleeping bag. Our customers note its ability to accommodate taller individuals comfortably while offering the freedom to move without restriction.
- ULTRA-SOFT AND COZY: Featuring a comfort-touch inner lining and 250 Mono HollowFibre filling, this sleeping bag offers a warm and cozy experience. Best suited for mild weather (above 4°C), customers appreciate its lightweight design for warm spring and summer camping or festivals.
- SPACIOUS DESIGN FOR FREEDOM OF MOVEMENT: The Highlander Sleephaven Extra Large Sleeping Bag is designed with a roomy 230cm x 100cm size, perfect for stretching out fully or moving freely from head to toe.
- DURABLE CONSTRUCTION & STYLE OPTIONS: Built with reinforced stitching for long-lasting use, it is available in stylish colors such as Onyx Black, Marine Blue, and Grape Juice Purple.
- CONVENIENT FEATURES FOR A STRESS-FREE EXPERIENCE: Equipped with an anti-snagging zip and a durable stuff sack, this sleeping bag ensures hassle-free use and easy packing. Its ability to store personal items inside provides added convenience.
£44.99
2
10% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

SAIL
10% Off

SAIL XL Sleeping Bag Extra Wide for Big & Tall Person 3-4 Season 1.6KG 250GSM Lightweight,Waterproof Indoor & Outdoor Use for Adults for Hiking, Backpacking and Camping - Black

SAIL

£44.99

£49.99
(10% Off)

More Details
Main highlights
- WARRANTY: We aim to give the best customer service possible. In the unlikely event that this product is at fault, do not worry, as we have you covered with our 365-day warranty. This gives you peace of mind when purchasing a product from us.
- QUALITY MATERIALS: Made from a durable and water-resistant polyester outer shell with a 250GSM inner filling, this sleeping bag will keep you cosy when the night gets slightly chilly. Ideal for temperatures between 10°C and 0°C, this sleeping bag can also be used in extreme temperatures down to -5°C
- PORTABLE AND LIGHTWEIGHT: Weighing just 1.6kg, you will have no issues transporting this sleeping bag to wherever you need it to be. You will be able to take this on a hike without it weighing you down whilst knowing that it is well insulated and highly comfortable.
- DIMENSIONS: 230cm x 100cm | WEIGHT: 1.6kg.
- 250GSM SLEEPING BAG: This SAIL Lightweight 250GSM Sleeping Bag is the ideal solution for your camping needs. Perfect for camping in spring, summer and autumn, as well as featuring water resistant materials, this sleeping bag won’t let you down.
£44.99
£49.99 (10% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

JEAOUIA

Sleeping Bags for Adults Backpacking Lightweight Waterproof- 3 Seasons Cold Weather Sleeping Bag for Girls Boys Mens for Warm Camping Hiking Outdoor Travel Hunting with Compression Bags（Navy Blue）

JEAOUIA

£26.99

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Main highlights
- SERVE ITS PURPOSE FOR YOU AND YOUR KIDS. Wipes clean easily. This camping bags also have a weather resistant and waterproof design to keep you warm,prevent you from any dampness
- PLENTY OF ROOM. Comfortably fits most campers up to 5 FEET, 11 INCH tall. SEZE: 31.5 by 86.6 inches (W x D). Our sleeping bag can be used in 3 seasons with a design temperature of 50 68 (10 20 ). Recommended limit temperature: 41 77
- 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.
- GOOD QUALITY WITH AFFORDABLE PRICE. The stitching and material feels neat and comfotable. Outer Cover Material: 190T Nylon, Waterproof and Breathable Fabrics; Lining Material: Polyester Pongee; Fill Material: hollow cotton. WARM AND SKIN FRIENDLY
- A THOUGHT OUT DESIGN. Drawstring allows you to tighten hood and KEEP YOU HEAD NICE AND WARM. The idea of having a zipper at the foot to allow more warm or cool air to enter or exit the bag in different times of the season
£26.99
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MalloMe

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

MalloMe

£29.99

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Main highlights
- 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.
- 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.
- 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.
- 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!
- 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.
£29.99
5
Best Value
23% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

REDCAMP
23% Off

REDCAMP Cotton Sleeping Bag for Adult, Flannel Compact Sleeping Bag for Camping Fishing 3-4 Season Cold Weather Winter, 2lbs

REDCAMP

£39.99

£52.07
(23% Off)

More Details
Main highlights
- Temperature Range: 2lbs filling cotton lined adult sleeping bag is comfort in 59°F/15°C and fits temperature range 50-77°F/10 - 25°C.3lbs filling sleeping bags is comfort in 50°F/10°C and fits temperature range 41-68°F/5-20 °C. 4lbs filling sleeping bags is comfort in 41°F/5°C, and fits temperature range in 32-59°F/0 - 15°C. Females are recommended to choose the thicker sleeping bags.
- Reverse Zipper: 2-way zippers that right or left-hand zippers allow for 2 flannel sleeping bags for camping to be attached together.
- Quality Guarantee: REDCAMP offers a 365-day limited manufacturer warranty. If you're not satisfied for any reason, please feel free to contact us, we will give you a reply within 24 hours.
- Larger size and Softer Material: Size is 75"x33"/190x84cm. Perfect REDCAMP winter sleeping bags flannel for adults cold weather of 6 feet in tall. High-quality and durable 210T polyester ripstop fabric, waterproof and stands up to years of use. Constructed of soft flannel liner and rebounded hollow cotton fiber increase warmth and comfort.
- Compressed Sack: Convenient internal stuff pocket for store your belongings and a compressed oxford sack is included to pack. Package size: 17"x8"x8"/45x20x20cm. Pack weight: 4lbs/1.8kg.
£39.99
£52.07 (23% Off)

5 Best Rectangular Sleeping Bags of 2025

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

SAIL XL Sleeping Bag Extra Wide for Big & Tall Person 3-4 Season 1.6KG 250GSM Lightweight,Waterproof Indoor & Outdoor Use for Adults for Hiking, Backpacking and Camping - Black

Sleeping Bags for Adults Backpacking Lightweight Waterproof- 3 Seasons Cold Weather Sleeping Bag for Girls Boys Mens for Warm Camping Hiking Outdoor Travel Hunting with Compression Bags（Navy Blue）

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

REDCAMP Cotton Sleeping Bag for Adult, Flannel Compact Sleeping Bag for Camping Fishing 3-4 Season Cold Weather Winter, 2lbs

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