When summer arrives, what kind of underwear is better for men to wear? For the health of the private parts, men should choose to wear suitable and comfortable underwear in summer. 1. The importance of fabric. Polyester underwear will inhibit the production of sperm and raise the local temperature of the testicles, which can easily induce the occurrence of oligospermia and may eventually cause infertility. In addition polyester chemical fiber underwear will also generate static electricity in the penis area, which may weaken its sexual function and lead to low libido. Try to choose loose and tight underwear. Wearing tight underwear for a long time will compress the penis and cause bending of the penis. The darker the color the more fuel will be used, the more dyes will contain a large number of chemicals, which may be more or less toxic, in addition to too white panties may be caused by excessive bleaching, thus increasing the allergy of the reproductive system. 2, how to choose the type and style of panties Men can choose thong panties or boxer briefs when they go to work; when they rest at home, they can choose loose flat crotch pants, so that the sexual organs can be free to move; when they go out to play, they can choose thong-shaped panties, which can reduce the testicles to have a larger amount of activity; when they sleep, they try to choose flat pants or boxer briefs; when they exercise The actual fact is that you should take breathable underwear to reduce the friction between your thighs and sexual organs; for drivers who always drive, try not to wear cotton underwear, you may want to choose sweat-absorbing and easy to dry fabrics; for male friends with thick legs, you should choose high-forked pants, which can make the legs look more slender.