Yes, Patagonia jackets are vegan but not every jacket they made is vegan.
Because Patagonia also makes goose-down jackets which are obviously not vegan.
However, most of their down jackets use up to 100% recycled down, and to ensure the birds are safe they use Advanced Global Traceable Down which is certified by NSF International to help Patagonia ensure that the birds that supply it are not force-fed or live-plucked.
Read Also: Can Patagonia Jackets Keep You Warm?
As being said they also make synthetic jackets where most Insulated jackets are made of polyester where many jackets use 100% recycled polyester and you can see many of their ski jackets using good quality nylon.