Under Armour Men's ClutchFit Compression Leggings 80% Nylon; 20% Elastane Imported UA ClutchFit technology is a second skin that molds to your body while you move, giving you powerful support & incredible comfort Iso-Chill mesh panels disperse heat, so you feel cooler & get superior ventilation 4-way stretch fabrication allows greater mobility in any direction Material wicks sweat & dries really fast Anti-odor technology prevents the growth of odor-causing microbes