This is a padded flannel shirt jacket from A Bathing Ape.
A Bathing Ape
Nanamica
Nicholas Daley
Engineered Garments
NEIGHBORHOOD
Rick Owens
Beams
Nothing Grows Overnight
Samurai Jeans
Liberaiders
Warehouse & Co
Uniform Experiment
Junya Watanabe Man
Human Made
Workaday