United Join Forces Heavy Weight Base Layer IV Pant with Fly
PRODUCT DETAILS
Fortiflame® Layer IV flame-resistant base layer pants feature premium modacrylic/rayon/nylon blend fabric at 8.0 oz./sq. yard with inherent flame resistance and zero after-flame or melt/drip per ASTM D 6413-11 standards. The single-sided fleece construction delivers a smooth outer layer for seamless layering compatibility while maintaining soft, skin-friendly comfort. Engineered for extreme environments and demanding tactical operations, these heavyweight base layer pants keep wearers dry through advanced moisture-wicking technology and antimicrobial treatment that resists odors. BERRY-compliant, made in the USA, with flat seam construction to eliminate chafing under tactical gear. Ideal for military personnel, first responders, and outdoor professionals requiring certified flame-resistant apparel that balances protection with comfort and performance in high-heat conditions.
Features:
- Made in the USA
- BERRY Compliant
- Flat seam construction eliminates chafing from gear
- Antimicrobial protection resists odors
- Wicks moisture for comfort & dries fast
Specifications:
- Sleeve is measured from center back neck to wrist. This measurement should be +/- 1″ for shorts & longs
- Inseam is measured from crotch to floor. The garment measurement may be less than this measurement depending on how much the garment crotch hangs below the body crotch. This measurement should be +/- 2″ for shorts & longs
Size Chart Men:
Size Chart Women:
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