1, material and shaping effect: shark pants are made of smooth material, which can fit the body curve and show slender lines. It has better shaping effect and can effectively tighten and shape leg lines. Compared with the black trousers, it also has a slimming effect, but it is relatively weak in material and shaping effect.

2. Legs are longer than vision: The design of shark pants pays attention to the height of waist line and the length of trouser legs, which can stretch the ratio of long legs through visual effects. A high waistline and proper leg length can make the whole body look more slender and slender. In contrast, black trousers are made of black fabric, and the slimming effect of black itself is used to modify the figure. The shaping effect of black trousers is not as obvious as that of shark trousers, nor does it have the fit feeling of smooth material like shark trousers.