Under Armour Drive ShortsUA Storm technology repels water without sacrificing breathability UA Microthread fabric dries faster, won't cling to you, won't chafe & stretches without absorbing sweat Performance knit fabric provides the comfort & stretch of a knit, with the look & structure of a woven Material wicks sweat & dries really fast Anti odor technology prevents the growth of odor causing microbes Stretch engineered waistband for superior mobility & insane comfort Flat