• Pair of olive-green FIRE socks with ribbed legs
  • FIRE sock packaging displayed among firefighter equipment
  • Firefighter pulling on an olive-green FIRE sock
  • Side view of an olive-green FIRE sock
  • Rear-side view showing the FIRE sock heel
  • FIRE sock construction diagram with heel, arch and instep callouts
  • Close-up of the olive-green FIRE sock heel and foot
  • Detail of the olive-green FIRE sock toe and knitted foot
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Covert Threads-A Military Sock For Every Clime & Place

FIRE Sock

FIRE Sock

$34.99 USD
$0.00 USD $34.99 USD
Promotion Épuisé
Frais d'expédition calculés à l'étape de paiement.

Product Overview

FIRE is a cushioned duty sock designed by Covert Threads for work around heat and demanding boot wear. The manufacturer specifies an inherently flame-resistant fiber blend that includes FR rayon and Nomex®. Moisture management, reinforced high-wear areas, and arch support complete the practical construction.

Features & Details

  • Manufacturer-described inherent flame-resistant fiber construction.
  • Moisture-wicking, breathable knit for extended duty wear.
  • Reinforced heel and toe zones for abrasion resistance.
  • Compression arch support helps maintain a secure fit inside boots.
  • Soft cushioning in impact areas.
  • Manufacturer-recommended variable-climate range: 40°F to 90°F.
  • Designed for firefighter, welding, energy-sector, and industrial work applications described by the manufacturer.
  • Made in the USA.

Materials & Construction

36% FR rayon, 36% durable nylon, 15% Merino wool, 9% Nomex®, 2% Lycra, and 2% polyester. Covert Threads describes the blend as inherently flame resistant.

Color, Fit & Sizing

Color: Olive green. A supportive boot-sock design with arch compression and cushioned impact areas. Available sizes: Medium (Men’s 4–8, Women’s 5–10); Large (Men’s 9–12, Women’s 11+); X-Large (Men’s 13–15).

Style & Everyday Wear

Pair with suitable work boots and the rest of your required workwear for long shifts. The understated olive tone fits easily into utility and outdoor clothing.

About Covert Threads

Covert Threads began with a desert boot sock developed with Marine input. The veteran-cofounded brand focuses on climate-specific socks and performance accessories for military duty, outdoor activity, work, and training.

Available at Chill Cap Store

Available through our retail collaboration with Covert Threads, this style adds the brand’s practical, activity-focused approach to the Chill Cap Store accessory selection.

CARE GUIDE

  • Spot clean or gently hand wash with cold water.
  • Use a mild detergent only.
  • Do not use bleach or whitening products.
  • Avoid machine washing unless stated otherwise.
  • Do not tumble dry.
  • Reshape the hat while damp and allow it to air dry naturally.
  • Do not iron directly over embroidery, prints, or decorative details.
  • Straw, felt, and structured hats should not be fully soaked.

FIT & SIZE GUIDE

Sizing may vary depending on the hat style and design. Please review the available size options and product measurements before ordering.

Adjustable styles can be customized for a more comfortable fit. For the best result, measure around your head where the hat will naturally sit.

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