/ Costs of adding extra down to a sleeping bag?
If you've never had it professionally cleaned, I'd do that to start with. Can make a huge improvement to the loft and warmth.
I got some down from Mountaineering Designs and did it myself. Simple to do but you need a set of jewlers scales to measure the amount you put in each baffle and a very draft free location to do the work.
2nd Denzils comments re washing.
U cud try phd for a quote got more down
I have a 20+ year old Rab Ladakh 800. Was never too impressed by its warmth. I had it cleaned by Rab themselves. It is now probably too warm for me to use!
Contact Rab to see how much they would charge as they repaired some of the baffles as well. Excellent prompt service.
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