Massif MSOX00001 Flame Resistant Flamestretch Sock System
Massif MSOX00001 Flame Resistant Flamestretch Sock System
Massif MSOX00001B-BLACK-REG Massif MSOX00001 Flame Resistant Flamestretch Sock System - Darn Tough merino wool inner socks + Massif Flamestretch outer socks

The Massif Flametretch® Sock System combines an inner low-profile wool sock with an outer over-sock for a 2-sock system that provides comfort and support in all normal and wet conditions. The inner sock, by Darn Tough, has excellent moisture management and stays warm while wet. The outer sock is constructed with proprietary Massif Flamestretch® brushed-back knit fleece fabric that features DuPont™ Kevlar® and Nomex® brand fiber – the first flame-resistant fiber selected for use in military uniforms.
- Made up of two pairs of ultra-comfortable socks
- Inner sock - merino wool sock liners from Darn Tough Vermont
- Outer sock - one pair of Flamestretch fleece socks from Massif
- 2 sock system featuring inner Darn Tough sock
- Flat seam construction for comfort
- Ultra-soft interior with exceptional wicking for moisture management
- Approvals:
- Approved by AFSFC Cold Weather Gear (CWG)
- U.S. Coast Guard Approved
- National Business Center, Aviation Management Directorate (AMD) approved for wear under a flight suit or under the yellow shirt and green pants for wear under a flight suit or under the yellow shirt and green pants
- Sizes: S-XL
- Color: Black
About Massif:
Massif manufactures comfortable, effective flame resistant apparel designed to protect against injuries from flash fires while maintaining the comfort and high performance of personal gear with custom FR fabrics and clothing designs for numerous climates and environments, all made within the USA and used by the US Armed Forces, general aviation community, wildland firefighting community, search and rescue community, and other specialized organizations.