In order not to affect the clothes themselves, each dress has its own characteristics, and it can only be removed without underwear. Especially for some dresses, there will be deep V-shaped and backless styles. If you wear underwear inside, it will affect the beauty of your clothes. If the model wears underwear during the catwalk, the model's figure will appear fuller, so it will be impossible to successfully show the beauty of the clothes. 2. Designers' reasons Every designer will use fake models when designing clothes, and fake models don't wear underwear. So real models are not allowed to wear underwear, which will affect the feeling of design and the proportion of clothes. If the model wears underwear during the catwalk, the beauty of the clothes designed by the designer will not be displayed, and the audience's eyes will not look at the clothes but at the model's figure, which shows that this is a failed fashion show. Models don't have enough time to attend formal fashion shows. The number of models is limited, and their time is limited. A model can change a lot of clothes. The average time for them to change clothes is only 30 seconds to 1 minute. Many times, they need the help of their peers, such as zippers, back buttons, makeup and so on. In this case, you have to wear underwear, and there is not enough time, so you will be very anxious. Models don't want to wear underwear on the catwalk, but there is a reason why they don't wear underwear. After reading these, can you understand why models don't wear underwear on catwalks?