1. The basic stand-up collar is directly filled with down. 2. Using 3D three-dimensional lamination technology, the pieces can be filled with down directly after cutting, reducing the risk of down filling after quilting. Compared with the traditional five-in-one continuous down filling process, the surface layer is reduced by one layer of film, allowing The fabric is more breathable, making it easier for the garment to recover after being squeezed. It can also effectively reduce the risk of initial bursting of the fit when the garment is washed. 3. It adopts trapezoidal flower design effect, which is exquisite, beautiful and versatile for daily use. 4. It is filled with 80% velvet inside, which has high fluffiness and warmth, and is of superior quality.