Got an email from macpac.
These down jackets/vests are decent quality I reckon.
From the site:
Ideal for: urban adventure, travel, hiking, camping
Extremely lightweight down sweatshirt alternative
Narrow baffle lines
Two zippered hand pockets
Elastic bound body and sleeve hems to keep the warmth in
YKK® zippers
Separate stuff sac included
Slim fit
PRODUCT SPECS
Outer Fabric    100% Nylon Taffeta
Inner Fabric    100% Nylon Taffeta
Fill Type   85/15 Duck Down
Total Weight (g)    240 - Size M
Fill Weight (g) 74
Fill Power (cuin)   650

 
    



You realise that YKK produces 90% of the world's zippers? Haha
There is really no need to advertise that imo…