Under Armour Charged Cotton Jus Sayin Tank - Men's The Under Armour Charged Cotton Jus Sayin Tank is made with charged cotton that has the comfort of cotton, but dries much faster. Four-way stretch fabric offers greater mobility and maintains its shape while the Moisture Transport System wicks sweat away from the body to keep you dry and comfortable. This tank also features a durable ribbed collar. 95% cotton/5% spandex. Imported.