Flamestretch® Sock System

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Flamestretch® Sock System (FR)


Quick Overview

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.

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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.
  • 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
  • USAF Authorized Safe-To-Fly

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