1. Contrast color scheme: Black and white is a classic contrast color scheme with strong visual contrast effect. The combination of black jeans and white shirt can make the overall shape present a clear, simple and sharp image.

2. Elegant and practical: White shirt is a classic choice in men's wear, with the characteristics of elegance, simplicity and versatility. Paired with black jeans can highlight the texture and details of the white shirt and highlight the exquisiteness of the overall shape.