Cheapest 0 °C
Images: Mountain Warehouse and its retailers. Used for product identification.
Mountain Warehouse
Mountain Warehouse Summit 400
0 °C comfort for £35 on sale. Heavy, but hard to beat for the money.
- Weight
- 2,100 g
- Comfort
- 0 °Climit -5 °C
- Packed
- 40 × 26 × 26 cm
Best price found
£34.99
at Mountain Warehouse · Out of stock at check · RRP £69.99
Prices checked 31 October 2026. We may earn a commission on these links.
- Synthetic fill
- Two-way zip
Specifications
- Weight
- 2,100 g
- Packed size
- 40 × 26 × 26 cm
- Comfort
- Comfort 0 °C / limit -5 °C
- Insulation
- Hollowfibre polyester
- Season rating
- 3/4 season
- Shell & zip
- Polyester 100%, polyester lining
- Rating Standard
- ISO 23537 rating
- Zip
- Two-way zip
- Shape
- mummy
Pros & cons
- 0°C comfort / -5°C limit for £34.99 on sale
- Buyers report good results for youth camps: "My son has used it for Cub camp & loved it"
- Left/right zips pair into a double
- "The regular size was a lot smaller than I expected" and "found it restrictive"
- 2.1kg and 40 x 26 x 26 cm packed - a car-camping bag
Sources for this product
More synthetic bags
Full comparison →
7 photosBest valueVango
Vango Nitestar Alpha 250
A lab-tested ISO comfort rating of +2 °C for around £40, from the brand on every campsite.
- Weight
- 1.6 kg
- Comfort
- +2 °Climit -4 °C
- Packed
- Not stated by maker
- Synthetic fill
- Draught collar
- Two-way zip
Full specs, 4 retailers →View DealFrom
£39.99
at Norwich Camping & Leisure
Cheapest adult bagMountain Warehouse
Mountain Warehouse Summit 250
A roomy square bag for summer campsites and festivals, often half price.
- Weight
- 1.4 kg
- Comfort
- +5 °Climit 0 °C
- Packed
- 23 × 36 cm
- Synthetic fill
- Two-way zip
Full specs, 1 retailer →View DealFrom
£29.99
at Mountain Warehouse
7 photosWarmestVango
Vango Nitestar Alpha 350
An ISO-rated -1 °C comfort bag for under £50. Heavy at 1.9 kg, so one for the car boot, not the rucksack.
- Weight
- 1.93 kg
- Comfort
- -1 °Climit -7 °C
- Packed
- ≈ 30 × 22 cm, per Attwoolls
- Synthetic fill
- Draught collar
- Two-way zip
Full specs, 4 retailers →View DealFrom
£39.95
at Attwoolls Outdoors

