Some brands are not available, but they are relatively few. You can check the authenticity for reference.

Authentic down jacket product identification must comply with standards and should include the following: manufacturer’s name and address, product name, trademark, specifications and models, ingredients and content of raw materials used, washing methods, and product implementation standard numbers , product quality grade and product quality inspection certificate. For down jackets, the down content of the filling down, the type of down, gray and white color, down filling amount, etc. should be indicated. If the marking of a down jacket is incomplete, If there are many missing items, attention should be paid to them.