10 Best Mountain Warehouse Summit 250 Sleeping Bag in The UK

Last updated on 16/07/2025
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Best Choice
1
9.8
Exceptional
Mountain Warehouse Mummy Shaped Microlite 1400 Sleeping Bag - 3/4 Season, Insulated Camping Bag - Best for Spring Summer Blue Right Handed Zip - Regular length (200cm)
Mountain Warehouse
Mountain Warehouse Mummy Shaped Microlite 1400 Sleeping Bag - 3/4 Season, Insulated Camping Bag - Best for Spring Summer Blue Right Handed Zip - Regular length (200cm)
Why We Love It
  • Survival in extreme cold.
  • Optimal for cold seasons.
  • Excellent heat retention.
Main Highlights
  • Extreme Rating - Can be used for extreme temperature of -30°C. This is a survival temperature only. The bag is not intended for regular use at this temperature
  • 3/4 Season - Cold nights, early Winter backpacking trips and festivals for extra warmth
  • Microfibre Insulation - Provides excellent heat retention & comfort, a synthetic alternative to down
  • Regular length - it measures 200cm. Max user height 180cm / 5'9"
  • Long length - it measures 215cm. Max user height 195cm / 6'4"
9.8
Exceptional
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2
9.6
Superb
Mountain Warehouse Summit 300 Sleeping Bag - 3/4 Season, Insulated Mummy Shaped Bag - Best for Spring Summer, Camping, Trekking Dark Red Left Handed Zip - Regular Length (200cm)
Mountain Warehouse
Mountain Warehouse Summit 300 Sleeping Bag - 3/4 Season, Insulated Mummy Shaped Bag - Best for Spring Summer, Camping, Trekking Dark Red Left Handed Zip - Regular Length (200cm)
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Why We Love It
  • Survival temperature -18°C capability.
  • Comfortable between 4°C to -2°C.
  • Extra warmth for cold nights.
Main Highlights
  • Extreme Rating - Can be used for extreme temperature of -18°C. This is a survival temperature only. The bag is not intended for regular use at this temperature
  • Comfort Temperature - 4°C to -2°C. The ‘comfort’ temperature is the minimum temperature that a sleeping bag is designed for
  • 3/4 Season - Cold nights, early Winter backpacking trips and festivals for extra warmth
  • Insulation - Hollow fibre stuffing, comfortable and cosy
  • Long length - it measures 215cm. Max user height 195cm / 6'4"
9.6
Superb
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3
9.5
Superb
Mountain Warehouse Summit 250 Sleeping Bag - 3/4 Season Insulated & Mummy Shaped Bag - For Spring Summer, Camping & Trekking Petrol Blue Left Handed Zip - Regular Length (200cm)
Mountain Warehouse
Mountain Warehouse Summit 250 Sleeping Bag - 3/4 Season Insulated & Mummy Shaped Bag - For Spring Summer, Camping & Trekking Petrol Blue Left Handed Zip - Regular Length (200cm)
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Why We Love It
  • Great for cold weather.
  • Comfortable and cosy insulation.
  • Suitable for tall users.
Main Highlights
  • Extreme Rating - can be used for extreme temperature of -17°C. This is a survival temperature only. The bag is not intended for regular use at this temperature
  • 3/4 Season - Cold nights, early Winter backpacking trips and festivals for extra warmth
  • Insulation - Hollow fibre stuffing, comfortable and cosy
  • Regular length - it measures 200cm. Max user height 180cm / 5'9"
  • Long length - it measures 215cm. Max user height 195cm / 6'4"
9.5
Superb
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4
9.3
Superb
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 (Grey Orange)
SWTMERRY
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 (Grey Orange)
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Why We Love It
  • Optimized for extreme cold conditions.
  • Convenient portability and cleaning.
  • Innovative bottom zipper design.
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.
9.3
Superb
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5
9.2
Superb
Vango Nitestar Alpha 250 Sleeping Bag - Duke of Edinburgh Recommended | Ultralight Mummy Sleeping Bag for Camping, Hiking, Outdoor, Backpacking (Ocean Blue)
Vango
Vango Nitestar Alpha 250 Sleeping Bag - Duke of Edinburgh Recommended | Ultralight Mummy Sleeping Bag for Camping, Hiking, Outdoor, Backpacking (Ocean Blue)
Why We Love It
  • Durable and breathable materials.
  • Trusted by DofE participants.
  • Customizable for all seasons.
Main Highlights
  • POLAIR HEX SHELL - A tough hexagonal ripstop polyester that is strong, highly breathable, and machine washable
  • DUKE OF EDINBURGH RECOMMENDED KIT - Looking for a well respected sleeping bag for your DofE Expedition? The Vango Nitestar Alpha is recommended by the prestigous award and has been used within the program for many years, becoming a trusted favourite.
  • MUMMY SHAPED SLEEPING BAG - Tapers from the shoulders to the foot, reducing pack size and increasing thermal efficiency.
  • POLAIR LINING - Super soft lining which is also hardwearing and easily washable. The lining also features a convenient storage pocket to ensure your personal items are kept close by during the night.
  • 3D HOOD WITH DRAWCORD CLOSURE & SHAPED SIDES - Prevents heat loss from the head whilst the shaped sides provide additional comfort. The convenient drawcord closure provides flexible adjustment for a comfortable night's sleep.
  • CHOOSE WHICH NITESTAR IS RIGHT FOR YOU - Available in a variety of temperature ratings, 150 = 1 Season, 250 = 3 Season, 350 = 3-4 Season, 450 = 4 Season.
9.2
Superb
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6
9.1
Superb
Save 6%
Mountain Warehouse Extreme Lightweight Down Sleeping Bag - Mummy Shape, Hoodie - Ideal For Spring Summer Camping Red
Mountain Warehouse
Mountain Warehouse Extreme Lightweight Down Sleeping Bag - Mummy Shape, Hoodie - Ideal For Spring Summer Camping Red
6% OffFree Shipping
Why We Love It
  • Incredibly compact and lightweight.
  • Survives extreme cold temperatures.
  • Promises cozy, comfortable sleep.
Main Highlights
  • Easy Packable Solution - Incredibly compact and lightweight
  • Extreme Rating - Can be used in -12°C, this is a survival temperature only
  • Comfort Temperature 2°C to 7°C - The minimum temperature that a sleeping bag is designed for
  • Filling - 75% duck down and 25% feathers
  • Mummy Shape - Mummy sleeping bags follow your body shape, giving you a comfortable sleep
9.1
Superb
Save 6%
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7
9.0
Superb
Save 36%
Coolzon Outdoor Sleeping Bag for Camping, for 3-4 Seasons, Adult Blanket, Small Packed Size, Ultralight Carry Bag, Soft, Thick and Warm, for Outdoor Camping, Travel, Hiking, Black
Coolzon
Coolzon Outdoor Sleeping Bag for Camping, for 3-4 Seasons, Adult Blanket, Small Packed Size, Ultralight Carry Bag, Soft, Thick and Warm, for Outdoor Camping, Travel, Hiking, Black
36% OffFree Shipping
Why We Love It
  • Large capacity compression sack.
  • Spacious and comfortable design.
  • Waterproof and breathable materials.
Main Highlights
  • Useful storage – each sleeping bag is equipped with a compression sack with straps. The biggest advantage of our compression sack is its large capacity, which makes it easy to store the sleeping bag and carry the sack. The sleeping bag can be packed in the ultra-compact sack in a few seconds, without folding or rolling, saving you more time
  • Spacious and comfortable – they are incredibly spacious for any adult or child. It is easy to get in and out of it and turn over in them to find a comfortable sleeping position. The zip stays closed and the plush filling means you will sleep like a baby. The conventional size is more suitable for teenagers, and the larger size is suitable for adults
  • Waterproof, breathable and warm – we have found the best balance between waterproof, breathable and warm properties, so you feel more comfortable when using these sleeping bags for adults
  • Advanced materials – this sleeping bag is durable, high-quality; the fluffy cotton fabric is very soft; highest quality 100% polyester fibre is used as a surface material, and hollow cotton is used as a filling material to ensure low weight, durability and easy carrying. It saves you from a lot of effort; after a hard day of hiking, it brings you a relaxing, warm sleep
  • Best choice - we stand firmly behind the great craftsmanship of these sleeping bags.
9.0
Superb
Save 36%
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8
8.9
Excellent
Mountain Warehouse Basecamp 200 Double Sleeping Bag - 2/3 Season Camping Bag, Insulated Mattress Teal
Mountain Warehouse
Mountain Warehouse Basecamp 200 Double Sleeping Bag - 2/3 Season Camping Bag, Insulated Mattress Teal
Why We Love It
  • Comfortable for average-sized women.
  • Perfect for spring and autumn.
  • Cozy hollow fibre insulation.
Main Highlights
  • Comfort Temperature - Women of average size and build can expect to sleep comfortably
  • 2/3 Season - Cooler nights Spring & Autumn. Perfect for festivals, indoor and backpacking trips
  • Insulation - Hollow fibre stuffing, comfortable and cosy
  • Great For Summer Nights - Ideal for warm weather camping trips
  • Dimensions - 193cm x 137cm
8.9
Excellent
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9
8.8
Excellent
Mountain Warehouse Basecamp 200 XL Sleeping Bag - Warm & Cosy, Hollow fibre insulated Bag, Easy to pack & Durable - Best for Camping, Hiking, Trekking & Outdoors Petrol Blue
Mountain Warehouse
Mountain Warehouse Basecamp 200 XL Sleeping Bag - Warm & Cosy, Hollow fibre insulated Bag, Easy to pack & Durable - Best for Camping, Hiking, Trekking & Outdoors Petrol Blue
Why We Love It
  • Perfect for various outdoor adventures.
  • Survives in low temperature conditions.
  • Easy to pack and comfy.
Main Highlights
  • 2/3 Season - Cooler nights Spring & Autumn. Perfect for festivals, indoor and backpacking trips
  • Extreme Rating - Can be used in 5°C, this is a survival temperature only
  • 0
  • Insulation - Hollow fibre stuffing, comfortable and cosy
  • Easy To Pack - A 'crushable' design. When packed away it will not lose its shape
8.8
Excellent
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10
8.7
Excellent
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
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.
8.7
Excellent
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