Under Armour Men's Heatgear Boot Tactical Socks 95% Polyester, 3% Nylon, 2% Spandex Made in US Foilage Green style military compliant Half cushion footbed provides comfort without bulk Embedded arch supprt helps reduce foot fatigue ArmourDry material wicks moisture, accelerates evaporation ArmourBlock technology helps prevent growth of odor-causing bacteria True seamless toe delivers superior comfort and reduced irritation