Boys, don't worry about not wearing down jackets, black down jackets are more versatile, and white T-shirts and khaki pants are very age-reducing. Moreover, short down jackets can also improve your waistline, thus visually lengthening your height.
While wearing a black down jacket, you can also wear black underpants and trousers, which will give people a sense of wholeness, show height and figure, and beautify the figure regardless of fat or thin. Moreover, black is a stain-resistant color, and black clothes don't need to be changed often, which is really suitable for winter.