Bundle includes 2 packs of 2 (4 pair total) Fits Sizes: Men 4-8.5 Women 7-10.5 Retail is $24.99 each 2 pack Crew-length cut hits mid-calf ColdGear® Infrared lining uses a soft, thermo-conductive inner coating to absorb and retain body heat ArmourDry moisture-wicking technology keeps your feet dry and accelerates evaporation ArmourBlock technology helps prevent odor-causing bacteria Wool-blend construction Full cushioning Marled