“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™

Construction:

• Leg Stay Up Top w/ Hugging support
• Special Wool fights friction & Hot spots helping to prevent blisters
• Built in Arch Support made for the long haul holding sock in place
• Special reinforced “Y” heel for better fit to the contour of the foot.
• Instep Flexzone prevents bunching of the sock.