United Join Forces Heavy Weight Flame Resistant Base Layer IV Long Sleeve Crew

Fortiflame® Layer IV flame-resistant base layer features a premium modacrylic/rayon/nylon blend at 8.0 oz./sq. yard, engineered for maximum protection in extreme tactical environments. This inherently flame-resistant fabric meets ASTM D 6413-11 standards with zero after-flame or melt/drip performance. The single-sided fleece construction delivers a smooth outer layer for effortless layering while remaining soft and comfortable against the skin. Advanced moisture-wicking technology keeps you dry during intense operations, while antimicrobial treatment prevents odor buildup. Flat seam construction eliminates chafing under tactical gear. Made in the USA and BERRY Compliant, this heavy-weight base layer provides the thermal protection and durability demanded by military and tactical professionals.

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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: