Under Armour Men's Pulse Snowsports Socks (1-Pack), Black/Grey, Large 80% Acrylic/15% Polyester/5% Spandex Imported ArmourBlock helps prevent growth of odor-causing bacteria in the sock Full Cushion provides shock protection Signature Moisture Transport wicks moisture, accelerates evaporation Embedded Arch Support helps reduce foot fatigue ArmourBlock helps prevent growth of odor-causing bacteria in the sock