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Rackhams£37.80Visit shop Mountain Warehouse Summit 250 Left Zip Mummy Sleeping Bag - Teal - 215Cm
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B&Q£41.04Visit shop - Mountain Warehouse Unisex Adult Summit 250 Right Zip Winter Mummy Sleeping Bag Fuchsia (One Size)
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The Mountain Warehouse Summit 250 Mummy Sleeping Bag is a versatile 3/4 season sleeping solution designed for campers and hikers who need reliable warmth and durability in varied outdoor environments. It offers an excellent balance of heat retention through hollow fibre insulation and rugged protection thanks to its ripstop polyester construction. While it provides impressive thermal performance with a comfort range down to -1C, users should note that the mummy shape can feel restrictive for those who prefer more legroom while sleeping.
| Material | Polyester |
|---|---|
| Model Part Number | UTMW1828_14 |
| Brand | Mountain Warehouse |
The bag has a comfort range of -1C to 4C and an extreme rating of -17C for emergency use.
Yes, it can be machine washed on a gentle cycle with mild detergent, but always air dry completely.
It means the bag is designed to provide adequate warmth for spring, summer, and autumn, as well as early winter conditions.
Most models include a carry bag, though it is recommended to store the bag uncompressed for long-term health.
The polyester ripstop fabric is durable and resistant to light moisture, but it is not fully waterproof.
Gently pull the fabric away from the track while moving the slider slowly; use the internal stormflap as a guard.
Ensure the bag is fully lofted before sleep and use a sleeping mat to insulate against cold ground.
Confirm that the two bags have compatible zipper lengths and configurations before attempting to zip them together.
To set up, simply unroll the bag in your tent or shelter and allow a few minutes for the hollow fibre insulation to loft naturally. When connecting two bags, ensure the zipper teeth are aligned correctly before pulling the slider. For care, always store the bag in a dry, cool place and ideally hang it or use a large storage sack rather than keeping it tightly compressed for long periods, as this preserves the insulation's ability to trap heat. If the bag requires cleaning, use a mild detergent and wash on a gentle cycle, ensuring it is thoroughly air-dried before storage to prevent mold or odors.
