January 13, 2017
Many sleeping bags are rated using the EN13537 rating which is a European Standard designed to standardise temperature ratings across sleeping bags regardless of manufacturer.
Generally 3 temperatures are provided, Women’s Comfort, Men’s Limit & Extreme.
What if the sleeping bag doesn’t have an EN13537 rating?
Several Mont sleeping bags do not carry an EN13537 rating, rather they have a Mont Temperature Rating. A Mont Temperature Rating is based on over 35 years of experience in the design, manufacture and use of sleeping bags in the wild.
On a Mont Temperature Rated sleeping bag two temperatures are given, a warmer temperature and a colder temperature. These two temperatures can be considered in a similar way to the Women’s Comfort and Men’s Limit temperatures specified on EN13537 rating.
For example, the Mont Spindrift Sleeping Bag has a temperature rating of -9ºC to -15ºC. This rating suggests a Woman or someone who sleeps very cold will be comfortable at -9ºC or just below, and a Man or someone who sleeps warm will be comfortable at -15ºC.
We always suggest buying a sleeping bag with a temperature rating that will go below what you expect to face. It is much easier to cool down than it is to warm up.
Other factors that will determine your comfort in a sleeping bag are metabolism, age, thermals, socks, headwear, health, fatigue, what you have eaten and what type of sleeping mat used.
Other blog posts about Sleeping Bags.
Why do sleeping bags have left & right zips & which do I choose?
What size sleeping bag do I need?
How to look after your down sleeping bag
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Last year I rode my motorcycle around the eastern half of Australia, covering a bit over 10,000kms and luckily timing the ride perfectly to dodge the massive floods that hit outback NSW and surrounding areas.
This year the logical extension was to ride around the other half of Australia. I marked out a route that took me from my home state of Tassie to Geelong, Adelaide, Darwin, Broome, Port Hedland, Perth, Adelaide then back to Geelong and on the ferry back to Tasmania.