Two pairs of ultra-comfortable socks make up this system. The outer layer is a warm, comfortable fire-resistant Nomex stretch-fleece sock made from Massif Flamestretch fabric. The liner is an extremely high-quality wool sock from Darn Tough that wicks moisture from the feet to help prevent blisters and soggy feet.
Massif Flamestretch is constructed with DuPont™ Nomex® brand fiber. Engineered with Massif's proprietary knitting and finishing technology, Flamestretch provides built-in flame resistance, proven durable performance, and comfort from the inside out.
- One pair of merino wool sock liners Darn Tough
- One pair of Flamestrech fleece socks from Massif
- Authorized by the United States Coast Guard.
- Fabric passes stringent ASTM D 6413 Standard for flame resistance.
