1, a beige down vest and a black undershirt are very classic collocation methods. You can choose a black sweater, a black shirt or a black dress.

2. Off-white down vest and white interior are relatively fresh collocation methods. You can choose white sweater, white shirt or white dress.

3. Off-white down vest and gray interior are relatively low-key collocation methods. You can choose a gray sweater, a gray shirt or a gray dress.

4. Off-white down vest and blue interior are more fashionable collocation methods. You can choose a blue sweater, a blue shirt or a blue dress.