Heavyweight FR Thermal Pants (FR4)

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$ 166.00
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$ 166.00
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Color Tan 499

Size S

SKU 4F12V-499-S

Heavyweight Flame Resistant Thermal Pant - FR Phase 4

This is our warmest FR option. Available in many styles and accessories. Great alone or as a top layer piece for extreme warmth. Great next-to-skin feel and a full generous cut for comfort. Our FR is inherent and built-in at the yarn level, meaning it won't wash out and provide no melt/no drip protection for the life of the garment. Acclimate® Dry moisture management and Ag47® anti-microbial/anti-odor will keep comfortable, dry and odor-free. Utilizing Clean Seam® flat-seaming to provide a comfortable seam next-to-skin helps reduce the risk of friction and irritation. 

    Gear Specs

    • Fabric: a Patented Blend of Modacrylic & FR Rayon
    • Inherently No Melt/No Drip At Yarn Level - FR Protection For Life Of Garment
    • ASTM D6413 No Melt/No Drip FR Standard
    • Weight: 8.5 oz./sq. yd. / 240 grams
    • Sizing:  Men's Sizing/Fit
    • Fit: Regular/Relaxed Fit 


    • Acclimate® Dry Moisture Management (Superior Wicking / Drying)
    • Ag47® Anti-Microbial / Anti-Odor Protection
    • Designed With Appropriate Rise Depth And Height - Ensuring Complete Coverage And Comfort In Any Activity
    • Clean Seam® Next-To-Skin Comfort
    • Superior Hand/Feel
    • UPF UV Protection - 50+
    • Durable, Breathable & Won’t Shrink