Covert Threads FR Military Boot Sock

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.

Fire Resistant Protection Sock

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.