In reply to Removed User:
> ..agreed they will probably be a bit heavier than the Photon but there is undoubtedly somewhere else weight can be saved
Before a bikepacking trip I weighed a couple of jackets to see which was lighter, and having started decided I better weigh all my jackets and make a list in google docs. I've updated that over the years even though I don't have some of the jackets anymore - but it gives some idea of the different types of weight we're talking about:
Brand Model Weight
Decathlon down vest 187
uniqlo U/L down jacket 231
Patagonia Puffball Vest 276
Marmot Variant 338
Jack Wolfskin Smock 401
Jöttnar Alfar 457
RAB Photon 520
TNF Nuptse 560
Jöttnar Fjörm 606
Patagonia Speed Ascent 786
Patagonia DAS Parka 809
RAB Ascent 895
Mountain Equipment Citadel 947
So the Citadel is going on for double the weight of the Photon but it is a massively warmer jacket. The Photon is great though - excellent hood for example - just not nearly as warm. Interestingly it seems RAB has dropped it from their line this winter, not sure what now is the closest comparison.