Under Armour Charged Cotton Crew 6PK Socks - Men's The Under Armour Charged Cotton Sock features Signature Moisture Transport that wicks moisture and accelerates evaporation. ArmourStretch adds comfort, providing the perfect fit with no uncomfortable areas. ArmourBlock® helps prevent the growth of odor-causing bacteria in the sock. HeatGear® 80% cotton/20% polyester. Imported.