Summit 400 Mummy Sleeping Bag

Mountain Warehouse
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Option: Dark Teal
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Our Summit 400 Mummy Sleeping Bag is built for colder adventures, offering reliable warmth across three to four seasons. With a comfort rating of 0°C, lower limit of -5°C and extreme rating of -15°C, it’s designed to keep you cosy when temperatures drop. Filled with 400g hollowfibre insulation and weighing 2.1kg, it delivers dependable warmth in a classic mummy shape with an adjustable hood for extra heat retention. A two-way zip allows for ventilation and the option to zip together with another bag to create a double. Measuring 220 x 80cm when open and packing down to 40 x 26 x 26cm, it’s a practical choice for camping trips and outdoor getaways.
  • 3/4 Season - Cold nights early Winter
  • Comfort Temperature - The comfort temperature for this sleeping bag is 0°C. This is the minimum temperature that the sleeping bag is designed for
  • Extreme Rating - Can be used for extreme temperature of -15°C. This is a survival temperature only. The bag is not intended for regular use at this temperature
  • Length - 220 x 80cm
  • Weight - 2.1kg
  • Insulation - Insulated with hollow fibre stuffing
  • Mummy Shape - Mummy shaped bags follow your body shape, giving you a cosier night's sleep
  • Two Way Zip - A two-way zip is useful for easy opening when ventilation is required. Zips can be full length or just half way.
  • PFC-free - made without intentionally added PFAS

Fabric Composition

Main fabric: Polyester 100%, Lining: Polyester 100%, Filling: Polyester 100%

Responsible Entity

Mountain Warehouse Group, Compass House, 7A Howick Place, London SW1P 1DZ, United Kingdom
062417

UK Delivery

Delivery Options

  • Evri Next Day

    Order before 8pm
    £5.95 on ALL orders
    (T&Cs Apply, Next day delivery does not take place on bank holidays))
    Evri Next Day
  • DHL Standard

    DHL Standard
  • Click And Collect Light & Large UK

    Click And Collect Light & Large UK
  • Evri Standard

    Free Standard Delivery within 3-5 days on ALL orders over £50 (orders Sold & Shipped by Mountain Warehouse). All other orders £4.50
    Evri Standard
  • Standard - Out of Area

    Standard - Out of Area
  • Click And Collect

    Click And Collect

For full terms and conditions please see our Delivery policy

UK Returns

For full terms and conditions please see our Returns policy