Under Armour Women's Liner No Show Socks (6 Pair) 96% Polyester/4% Spandex Imported True Seamless Toe sock features superior comfort and support Conforms to your foot with Flat Knit Footbed for customized fit Provides extra support and stability with embedded arch support Pulls away moisture from your skin with ArmourDry material Helps minimize odor and bacteria with effective ArmourBlock technology