Even if you end up sore after, at least your workout gear can be soft. Not compromising comfort for performance, Under Armour starts with Charged Cotton(R) and enhances it with moisture-wicking properties and four-way stretch construction. Loose: Fuller cut for complete comfort. Charged Cotton(R) has the comfort of cotton, but dries much faster. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. 57% Cotton38% Polyester5% Elastane. Imported.