Passion One is the lightest option in the ultralight Passion range and the finest choice for an ultra light weight sleeping bag for any adventure where weight and pack size is an issue. The stitch through construction keeps the weight down and makes sure the down filling is kept in place. The filling is the finest European goose down on the market and the very soft and down proof fabric makes the Passion One extremely soft and comfortable.
Insanely light summer bag which uses some of the highest fill power down available +850, the Passion One also packs down to an astonishingly small 18 x 12cm diameter. The quality of construction is excellent but the real performance is in the down as it is the highest possible quality then (providing it is allowed to loft correctly) it will deliver the highest warmth to weight ratio.
Many ultralight bags save weight by reducing the length of the zip - the Passion One doesn't compromise and has a full length zip (no baffle) so that it can be vented and is easy to get in and out of.
Also some other bags in this category skip on the hood - which may not be required in the summer with the Passion One the hood is included so that you can benefit from the all-encompassing warmth it provides.
This is our lightest sleeping bag by some way it has a limited temperature range but is ideal for summer use and you can push the boundaries by wearing clothing - checkout our down shirts and vests.
- Reviewed by Ultralight Outdoor Gear
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EN13537:2012 - Look for the 2012 label for the most accurate rating; In 2012 the EN system of testing sleeping bags was re-vamped - the new testing procedures are more rigorous, producing more consistent results than previous tests. 2012 results tend to rate sleeping bags as poorer performing by a few degrees when compared to previous test results, even though the sleeping bag may be identical, or even better.
This means that comparison between an EN13537:2012 rated bag and an EN13537:2002 rated bag are particularly difficult - our advice is to use the new EN13537:2012 rating to compare with other bags who have also been rated in this way.