







Covert Threads-A Military Sock For Every Clime & Place
Covert Threads FIRE Sock
Choose options
Built for Heat, Strength, and Long Shifts
Ideal for Firefighters, Welders, and Industrial Work in High-Temperature Environments
The Fire Sock is engineered for those who face the heat head-on. Designed for firefighters, welders, and industrial professionals, this sock delivers dependable comfort and protection in demanding conditions. Its flame-resistant fiber blend helps shield against high temperatures, while moisture-wicking technology keeps your feet dry and cool through long hours on the job.
Reinforced heel and toe zones provide lasting durability, and compression arch support ensures a secure, stay-put fit under heavy-duty boots. Soft cushioning absorbs impact and reduces fatigue, making every step more comfortable when the work doesn’t stop. Tough, breathable, and built to perform—because when the heat rises, so should your gear.
Proudly Made in the USA
Fulfillment Notice: Covert Threads products are fulfilled and shipped directly by Covert Threads. These items will ship separately from other Protection Design Concepts (PDC) products in your order. If your order contains products from multiple suppliers, you may receive separate packages and tracking information.



