* It still keep soft, resist from fading or forming pills due to friction even after repeated washing. It is good to reduce the stimulation to the skin
* It absorbs 50% more water than what cotton retains and volatile ability is stronger than cotton. Keep skin to dry better than cotton underwear.
* It is relatively thin and breathable, quickly take away skin's heat. We know, lower temperature is benefit for male genital organ health.
* Doctor advised, a underwear don't use more than 6 months, it will become very dirty although you repeated wash it