Tight pants are mostly made of macro fiber fabric with high elasticity, which has poor air permeability and hygroscopicity. They are tightly stretched on the body, which makes the pores sweat poorly and produces a sultry and uncomfortable feeling. Especially in the hot summer, poor perspiration will make sweat penetrate into the stratum corneum, and the aged stratum corneum will adhere to the dust in the air and the skin, which will easily block pores, hinder the smooth discharge of sweat, accumulate in sweat tubes, produce prickly heat, or cause skin allergies. At the same time, because of itching and scratching, bacteria hidden on nails and skin surfaces, such as staphylococcus, take the opportunity to invade pores, causing skin infection and suppuration, causing small boils and pustules.
Tights with poor elasticity will limit the movement of the chest and hinder breathing. In hot season, wearing tights is prone to chest tightness, shortness of breath, heatstroke and other symptoms. If children and teenagers wear tights, it will do more harm, even affect children's thoracic development and cause thoracic deformity. Wearing tights for pregnant women will cause greater harm, which will not only affect their own health, but also adversely affect the growth and development of the fetus.