If you're aware of their stuff you'll probably already know, but this is about the best down gear money can buy. They have one or two sales a year and their current winter sale ends today.
Just ordered a slightly heavier weight jacket and bag myself for a possible race next year. That'll be the fourth PHD sleeping bag I've got. It's a bit of an addiction like watches..
https://www.phdesigns.co.uk/sales-and-special-offers
