Flamestretch® Sock System (FR)

Donned primarily by cold-water rescue divers, the Flamestretch Sock System is designed to be worn under dry suits when warmth and FR protection is critical. The Flamestretch® sock system is comprised of two socks. The inner sock liner by Darn Tough® Wool is low-profile, comfortable, provides excellent moisture management, and is warm when wet. The over-sock constructed with Massif Flamestretch fabric is highly breathable and traps heat to keep your feet warm in the harshest conditions. Product Features: Full flame-resistant construction with proprietary Massif® fabric High warmth to weight ratio Warm when wet Excellent moisture management Design to work with Massif® Fire and Ice™ layering system All fabrics pass the stringent ASTM D6413-F2302 performance specification for flame resistance Authorized by the United States Coast Guard Available in Black Product Downloads Flamestretch_Sock_2020