For Ultralight nerds, Down Jackets to weight/warmth ratio

A place to chat about gear and the philosphy of ultralight. Ultralight bushwalking or backpacking focuses on carrying the lightest and simplest kit. There is still a good focus on safety and skill.
Forum rules
Ultralight Bushwalking/backpacking is about more than just gear lists. Ultralight walkers carefully consider gear based on the environment they are entering, the weather forecast, their own skill, other people in the group. Gear and systems are tested and tweaked.
If you are new to this area then welcome - Please remember that although the same ultralight philosophy can be used in all environments that the specific gear and skill required will vary greatly. It is very dangerous to assume that you can just copy someone else's gear list, but you are encouraged to ask questions, learn and start reducing the pack weight and enjoying the freedom that comes.

Common words
Base pack backpacking the mass of the backpack and the gear inside - not including consumables such as food, water and fuel
light backpacking base weight less than 9.1kg
ultralight backpacking base weight less than 4.5kg
super-ultralight backpacking base weight less than 2.3kg
extreme-ultralight backpacking base weight less than 1.4kg

For Ultralight nerds, Down Jackets to weight/warmth ratio

Postby Lamont » Sun 17 Nov, 2019 9:37 am

I thought I would share this, I know a few of us here like to check the RUL and see what's going on and have seen this already.
A Dutch bloke created this a while back- worth a look if you haven't seen it. Interactive. I think the max jacket weight for inclusion was about 350gms or so.
https://docs.google.com/spreadsheets/d/ ... edit#gid=0
In sodding ounces though.
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Joynz » Sun 17 Nov, 2019 11:51 am

Thanks for posting that - very useful.

Check out the Nunatuk Shaka pullover!
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Lamont » Sun 17 Nov, 2019 12:22 pm

Joynz wrote:Thanks for posting that - very useful.
Check out the Nunatuk Shaka pullover!

No worries.
Skaha (ha ha :lol: )...and the Cumulus Primelite (Toray Airtastic outer shell) I suggested you have a squiz at.
Even the Decathlon jobbies get quite a look in.
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby nickzed » Sun 16 Aug, 2020 2:26 pm

Lamont wrote:I thought I would share this, I know a few of us here like to check the RUL and see what's going on and have seen this already.
A Dutch bloke created this a while back- worth a look if you haven't seen it. Interactive. I think the max jacket weight for inclusion was about 350gms or so.
https://docs.google.com/spreadsheets/d/ ... edit#gid=0
In sodding ounces though.


Have you happened to come across any Ali Express down product that is worth a mention ?
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby warnesy » Sun 16 Aug, 2020 4:16 pm

That's pretty cool. Makes me want GooseFeet Gear Hoodless Jacket to replace the Macpac Uber...
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby north-north-west » Sun 16 Aug, 2020 4:26 pm

nickzed wrote:
Lamont wrote:I thought I would share this, I know a few of us here like to check the RUL and see what's going on and have seen this already.
A Dutch bloke created this a while back- worth a look if you haven't seen it. Interactive. I think the max jacket weight for inclusion was about 350gms or so.
https://docs.google.com/spreadsheets/d/ ... edit#gid=0
In sodding ounces though.

Have you happened to come across any Ali Express down product that is worth a mention ?


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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Mark F » Tue 18 Aug, 2020 5:43 pm

Interesting list but his measure of warmth is very simplistic - fill weight x fill power. Plenty of other factors that could and should be considered. Useful to search for RIchard Nisley's posts on bpl.
"Perfection is attained not when there is nothing more to add, but when there is nothing more to remove".
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Petew » Thu 20 Aug, 2020 10:10 am

No Macpac Arrowsmith pullover?
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Lamont » Thu 20 Aug, 2020 11:07 am

Petew wrote:No Macpac Arrowsmith pullover?

Pete the limit was for the jacket to be no more than the 350 gms total as in the first post or close to -the Macpac is over isn't it? Also it rated higher if the down was in the highest or near highest down fill rating-I think their down may be not of the EN 800 as well? Three season type thing I suppose? Not my list though. I just remember the discussion around the list and comments by the maker.

I think anything that got close to half of that in jacket weight up to the 350 gms in at least 800 (Euro/EN rating) scored very well
People will make up their own minds about what's what and I'm not knowledgeable enough to debate it-but that was the starting point which is really useful I reckon.
The indexes are adjustable though which is useful -you can rank the item by what you believe to be most important trait from memory.
I do know of someone who bought the Malochowski-says it is a flamer. The Primelite is a cooker as well for very little weight.
I think you should get the Skaha Pete and test it for us! :D
Although I wonder if there may be an oZzie doing that already... :D
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Petew » Fri 21 Aug, 2020 12:13 pm

I think I'll be murdered if I buy another down jacket.....

Yeah the Arrowsmith pullover is 370g with 170g 700 fill power.
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Lamont » Fri 21 Aug, 2020 12:31 pm

Petew wrote:I think I'll be murdered if I buy another down jacket.....

Yeah the Arrowsmith pullover is 370g with 170g 700 fill power.

C'mon Pete..........
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Re: For Ultralight nerds, Down Jackets to weight/warmth rati

Postby Petew » Sat 22 Aug, 2020 11:49 pm

Lamont wrote:
Petew wrote:I think I'll be murdered if I buy another down jacket.....

Yeah the Arrowsmith pullover is 370g with 170g 700 fill power.

C'mon Pete..........


:)
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