Cotton underwear, is the best choice For men, the role of underwear is to protect the male testicles, and cotton underwear is the best choice to ensure the health and comfort of the human body. In response to the statement that men who often drive are not suitable to wear cotton underwear, Han Qianhe said that this statement is wrong and there is absolutely no need to worry. Chemical fiber underwear, will inhibit sperm production Men who wear chemical fiber underwear are most likely to have a significant decrease in the number of sperm, while those who wear cotton underwear for a long time, their semen quality has not changed. After taking off chemical fiber underwear for 4 to 8 months, the sperm quality of men can return to normal. Chemical fiber underwear is prone to static electricity and has an effect on sexual function, so it is recommended that men should preferably not wear chemical fiber underwear. Loose underwear is more in line with health needs Generally speaking, loose underwear is advocated, which is more in line with the normal physiological needs of men. If you are wearing tight underwear for a long time, the temperature of the scrotum itself will rise, leading to deformities, necrosis and reduced mobility of the sperm in the scrotum. CU experts especially reminded that especially teenagers, who are developing, must choose good quality and appropriate shape of underwear.