Red Line Quarter Sock

Product Overview

Red Line Quarter offers above-ankle coverage with the practical construction of the First Responders Line. Arch compression and cushioned Strike Zones™ support the fit, while a thin mesh instep adds airflow. The red accent keeps the shorter profile distinctive without a tall sock leg.

Features & Details

• First Responders Line, style #3111R.
• Quarter-height coverage ends just above the ankle.
• Built-in arch support and compression.
• Cushioned Strike Zones™ at high-impact areas.
• Thin mesh instep for breathability.
• Black Achilles area keeps cushioning understated inside the shoe.
• Moisture-wicking fabric and Silver Lined™ odor-control technology.
• Designed to help reduce bunching, rubbing, and slippage.

Materials & Construction

52% polypropylene, 25% 44T7™ Silver, 10% Spandex Lycra, 8% Sta-Cool, and 5% nylon. The named performance blend combines moisture management, stretch, and the manufacturer’s Silver Lined™ odor-control technology.

Color, Fit & Sizing

Color: Black/gray/white with red detail. An above-ankle quarter profile with supportive arch compression. 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 trainers, duty footwear, or everyday sneakers. The compact black-and-gray shape and red detail suit simple workwear and active outfits.

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.