Red Line Crew Sock

Product Overview

Red Line Crew brings the First Responders Line to a supportive crew-length sock. A red line detail accents the black-and-gray construction, while cushioning, arch compression, and breathable mesh support extended wear. Silver Lined™ fabric provides the manufacturer’s odor-control technology.

Features & Details

• First Responders Line, style #1111R.
• Crew-height coverage for the lower leg.
• Built-in arch support and compression.
• Cushioned Strike Zones™ for high-impact areas.
• Thin mesh instep for airflow.
• Moisture-wicking fabric and Silver Lined™ odor-control technology.
• Black Achilles area helps retain a dress-shoe appearance.
• Designed to reduce bunching, friction, and slippage.

Materials & Construction

52% polypropylene, 25% 44T7™ Silver, 10% Spandex Lycra, 8% Sta-Cool, and 5% nylon. The performance blend combines moisture management with stretch and reinforcement.

Color, Fit & Sizing

Color: Black/gray/white with red detail. A crew-length silhouette with arch compression and targeted cushioning. 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 duty boots, uniform shoes, or casual trainers. The red detail gives the practical construction a clear accent above the footwear.

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.