Ultra-fine fiber advantages: not to harden after washing, no hair removal, odor, sweat, your feet won't stink, long service life, easy to clean, a little rub and rub with detergent clean fragrance! Cotton towels with long hair thinning, because cotton towel itself contains protein, tend to produce organic matter, when a sweat wiping, easy to smell, washing with detergent and SOAP cleaned repeatedly in order to get rid of the smell! Biggest advantage, of course, is that cheap Microfiber towels, is by using long and pricey side cotton towels, use a short time will be replaced with new!