"Introducing for the First time!! Mild to Hot weather, FIRE Sock built of the latest moisture wicking durable fibers. This sock is classified as No-Melt, No-Drip fire retardant military boot sock. Perfect for those in confined spaces that are in danger of high heat/potential fire.
Content: 45% FR Rayon / 36% Nylon / 15% Wool 2% / Lycra/ 2% Silver Lining