Under Armour Men's Charged Cotton Lo Cut 3-Pack Signature Moisture Transport System wicks away moisture and dries quickly, ArmourBlock&#174; Anti-Odor technology prevents the growth of odor-causing microbes Embedded arch support aids in the increase of blood circulation and helps conform to the shape of the foot Strategic cushioning built in for maximum shock absorption and protection Contoured "Y" heel provides a low-abrasion, comfortable fit