Rab Mythic 400

£414.00
£460.00
Save 10%

The Rab Mythic 400 Sleeping bag is an ultra lightweight down sleeping bag with an exceptional warmth to weight ratio. It is designed for quick moving mountain travel in cool conditions when weight and pack size are crucial to success.

Rab Mythic 400

Rab Mythic 400
£414.00
£460.00
Save 10%
1 In Stock

The Rab Mythic 400 Sleeping bag is an ultra lightweight down sleeping bag with an exceptional warmth to weight ratio. It is designed for quick moving mountain travel in cool conditions when weight and pack size are crucial to success.

  • 7D Atmos™ nylon ripstop with DWR outer and lining.
  • 900 US fill power R.D.S Certified European Goose Down with Nikwax fluorocarbon-free Hydrophobic Finish.
  • Weight saving chevron baffle design, reduces down migration and optimises core warmth.
  • Tapered Mummy Shape.
  • Trapezoidal boxwall construction with differential cut, to maximise loft and warmth.
  • Close fitting adjustable neck baffle design for decreased heat loss.
  • YKK 3/4 length main zip with synthetic filled baffle to trap warmth.
  • YKK zipped internal stash pocket.
  • Angled foot box for relaxed sleeping posture.
  • Anti snag internal zip guard.
  • Zipped cotton sack with water-resistant base for home storage.
  • Lightweight waterproof roll-top compression sack included.
  • Hand-filled in Derbyshire UK

Inner and Outer: 7D Atmos™ nylon ripstop (23gsm) \ DWR(100% polyamide).
Fill: 400g of 900 US fill power R.D.S Certified European Goose Down with Nikwax fluorocarbon-free Hydrophobic Finish

Available in left zip only.

Rab Mythic 400
Fill: 400g 900 US fill power European goose down
Rab Sleep Limit
ISO EN Comfort: 
ISO EN Limit:
ISO EN Extreme:  
-6ºC
-1ºC
-6ºC
-24ºC
Length 215cm
Length of Person 185cm (6' 1")
Internal Shoulder Girth 160cm
Weight 660g
Packed Size 32cm x 21cm

ISO EN Sleeping Bag Temperature Ratings
ISO 23537 is the international standard for sleeping bags and requires a thermal manikin test which produces four temperature results - Upper Limit, Comfort, Limit (also written as Transition) and Extreme. There is no legal obligation to use this standard though most reputable brands do. There is an exemption for military sleeping bags and sleeping bags for extreme temperatures, ie a comfort range of below -25°C. 

Upper Limit: the highest temperature at which a standard man is able to have a comfortable night's sleep without excess sweating.
Comfort:
the temperature at which a standard woman can expect to be comfortable in a relaxed position.
Limit (or Transition): the temperature at which a standard man can be not shivering in a curled position.
Extreme: the temperature at which a strong sensation of cold is to be expected and there is a risk of hypothermia.

For the purpose of these measurements, a "standard man" is assumed to be 25 years old, with a height of 1.73m (ie 5' 7", not very tall) and a weight of 73kg; a "standard woman" is assumed to be 25 years old, with a height of 1.60m (ie 5' 2.½") and a weight of 60kg.

It should be born in mind that the sleeping bag is just one part of the system and that other factors such as a good sleeping mat, how well fed you are and what clothes you are wearing, play a big part in how well you cope with cold temperatures. Plus, some people just feel the cold more than others - you'll know if you are one of them, and if so, plan accordingly.

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