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Massif Free IWOL Vests

Item Number: MVST00001UCP

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  • Army-approved FR softshell provides core warmth in cool and cold weather. FREE IWOL. With a streamlined design, this Army-fielded vest provides core warmth for cold weather, high-activity scenarios without the risk of overheating. The triple-layer fabric features a windproof, waterproof, and breathable membrane and a fleece-lined interior. A back pass-through flap accommodates the CVC extraction strap. Designed for comfort when worn over uniforms and under tactical vests and body armor. Selected for inclusion as the Army's Light Weather Outer Layer in the FREE program.

    The exterior of this vest features Massif’s proprietary flame-resistant technology and won’t support combustion in flash fire scenarios. The vest’s fleece lining features Massif Flamestretch and 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.


    • Note: The multicam version is a restricted item. You must have valid identification proving you are active military to purchase
    • Full flame-resistant construction with proprietary Massif fabrics
    • 4-way-stretch fabric
    • Elements softshell fabric features windproof, waterproof, and breathable membrane
    • High fleece-lined collar for warmth and protection
    • Zippered chest pocket
    • Zippered hand-warmer pockets
    • Velcro loop for name, rank, flag, and unit tape
    • Pass-through flap for CVC extraction strap
    • Machine washable
    • Authorized by the U.S. Army as the Intermediate Weather Outer Layer in the FREE program
    • Meets the strenuous manufacturing and performance testing requirements of the Armys Team Soldier Certified authorization program: PEO Soldier Certification Program
    • Passes rigorous flame testing including the ASTM D 6413/F2302-03 for vertical flame resistance
    • Tested in flash fire simulations on the pyroman thermal mannikin to demonstrate performance in burn scenarios

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Massif Free IWOL Vests Universal

  • Massif Free IWOL Vests

About Massif

Massif collage Massif produces clothing that performs. Starting from the fiber level, it builds the best gear possible. Founded by veteran search and rescue team members and alpine climbers, its products combine the protective traits of fire rated (FR) gear and the functionality of outdoor clothing. However, this was not an easy task. It required the creation of a new generation of FR fabrics. In 1999, Massif started with just two employees; now the company is one of the leading suppliers of flame resistant, high performance outdoor apparel for the public safety community. Despite its rapid growth, Massif remains true to its commitment to outfit those with dangerous professions with quality, protective gear.
Chest30 - 3334 - 3738 - 4142 - 4546 - 4950 - 5354 - 57
Arm Length (Short)29 ½30 ½31 ½32 ½33 ¼3434 ¾
Arm Length (Regular)3132333434 ¾35 ½36 ¼
Arm Length (Long)32 ½33 ½34 ½35 ½36 ¼3737 ¾

Take your measurements:
Chest: Wrap measuring tape around the broadest part of the chest with arms at side.
Arm Length: Measure from center of back of neck, over shoulder to wrist bone.