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Covert Threads
Covert Threads Fire Resistant Protection Sock – FR Rayon & Merino Wool Blend + Nomex® & Lycra® Reinforced Cushioning (Large, Men’s 9-12, Women’s 11+)
5.04 reviews
sizeLarge (Men’s 9-12, Women’s 11+)
Large (Men’s 9-12, Women’s 11+)
Medium (Men's 4-8, Women's 5-10)
X-Large (Men’s 13-15)
$26.68After Cash Back
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- Advanced Fire-Resistant Construction - Crafted with premium materials—36% Fire-Resistant (FR) Rayon, 9% Nomex, 15% USA Merino Wool, 36% durable nylon, plus supportive Lycra and polyester—designed to protect your feet in high-heat and fire-prone environments.
- Built-In Comfort Design - Features like a stay-up hugging leg top, arch support, “Y” heel contouring, instep flex zone to prevent bunching, and friction-resistant wool combine for enhanced fit and durability.
- Moisture-Wicking Performance - Engineered to manage moisture effectively—keeping feet dry and comfortable, even during long shifts or in harsh working conditions.
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Covert Threads
Covert Threads
FIRE Resistant Military Boot Sock (Style#2309)
Content: 36% FR Rayon, 36% Durable Nylon, 15% USA Merino Wool, 9% Nomex, 2% Lycra, 2% Polyester
Mild to Hot weather, Covert Threads™ FIRE Resistant Protection sock built of the latest moisture-wicking durable fibers. Perfect for those in confined spaces that are in danger of high heat/potential fire.
CREW-MIDCALF
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.
MADE IN THE USA OF US MATERIALS BY AMERICANS
Key Benefits
- Fire-Ready Foot Protection - Prevents sock melting and foot injury in exposure to sparks or high heat—ideal for firefighters, welders, racecar drivers, and heavy-industry workers.
- All-Day Comfort and Fit for Demanding Use - The strategic design ensures no sagging or slippering, even during extended wear in tough environments. The wool and friction-reducing features also help minimize blister risks.
- Durable and Long-Lasting - Built to withstand rugged use—they’re the kind of socks you can wear for years and still feel dependable.
How to Use
- Wear as Your Primary Tactical or Work Boot Sock - Ideal for situations involving heat, sparks, or fire risk—perfect for firefighting, welding, or mechanics work.
- Routine Use & Care - Requires basic laundering—just wash per standard sock care guidelines. Its robust materials ensure it stays effective after repeated use.
Why Customers Love It
- Reliable Under Fire - Built with soldier-grade toughness—trusted by marines and first responders to deliver comfort, support, and protection in extreme conditions.
- High Heat, No Melting - Users appreciate the integrity of the sock in environments where typical synthetics melt under heat; this pair keeps its cool—even when others fail.
Description
FIRE Resistant Military Boot Sock (Style#2309)
Content: 36% FR Rayon, 36% Durable Nylon, 15% USA Merino Wool, 9% Nomex, 2% Lycra, 2% Polyester
Mild to Hot weather, Covert Threads™ FIRE Resistant Protection sock built of the latest moisture-wicking durable fibers. Perfect for those in confined spaces that are in danger of high heat/potential fire.
CREW-MIDCALF
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.
MADE IN THE USA OF US MATERIALS BY AMERICANS
Key Benefits
- Fire-Ready Foot Protection - Prevents sock melting and foot injury in exposure to sparks or high heat—ideal for firefighters, welders, racecar drivers, and heavy-industry workers.
- All-Day Comfort and Fit for Demanding Use - The strategic design ensures no sagging or slippering, even during extended wear in tough environments. The wool and friction-reducing features also help minimize blister risks.
- Durable and Long-Lasting - Built to withstand rugged use—they’re the kind of socks you can wear for years and still feel dependable.
How to Use
- Wear as Your Primary Tactical or Work Boot Sock - Ideal for situations involving heat, sparks, or fire risk—perfect for firefighting, welding, or mechanics work.
- Routine Use & Care - Requires basic laundering—just wash per standard sock care guidelines. Its robust materials ensure it stays effective after repeated use.
Why Customers Love It
- Reliable Under Fire - Built with soldier-grade toughness—trusted by marines and first responders to deliver comfort, support, and protection in extreme conditions.
- High Heat, No Melting - Users appreciate the integrity of the sock in environments where typical synthetics melt under heat; this pair keeps its cool—even when others fail.
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