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5.11 FR-x3 FLASH Fire-Resistant Crew, Short Sleeve, Dark Navy

The right combination when the heat is really on: FR, advanced moisture wicking, and extreme comfort. Now at the hottest price anywhere! Only $12.00 while supplies last. Offer does not apply to previous orders. SALE ON THIS ITEM IS FINAL.

  • Durable, comfortable, functional
  • Fire resistant FR-x3™ fabric exceeds minimum standards in NFPA tests for after-flame and no-drip properties according to ASTM D6413.
  • Dri-X-treme anti-microbial moisture-wicking technology
  • Underarm mesh panel for greater range of motion
  • Flat-lock seams & printed label to prevent chafing

Having the right undershirt for station wear, turnout gear, a hazmat suit, ballistic vest, or other duty wear is crucial for comfort and performance.  The 5.11 FLASH™ Crew Shirt offers unique design and features to protect you in the most extreme situations. Fr-x3™ is a proprietary fire-retardant fabric exclusive to 5.11 Tactical. The special blend of 51% S.T.™ cotton and 49% FR-x3 modacrylic fiber inherits cotton’s natural breathability, comfort, and ease of care. It won’t drip or melt, giving you a few extra seconds of protection from extreme fire-related heat. And its inherent fire-retardant properties will not wash or wear out. FR-x3 exceeds minimum standards in NFPA tests for after-flame and no-drip properties according to ASTM D6413. 

More comfortable, even in the heat of duty. The FLASH™ Crew Shirt features saddle-shoulder construction with mesh under arm panels for greater range of motion. Flat-lock seams reduce friction to prevent chafing. Advanced Dri-X-treme anti-microbial moisture-wicking technology will keep you feeling cool and fresh all day. 

  • 4 oz. 51% S.P Cotton / 49% FR-X3™ modacrylic Fire-Resistant jersey fabric
  • FR-x3™ exceeds minimum standards in NFPA tests for after-flame and no-drip properties according to ASTM D6413.
  • Dri-X-treme anti-microbial moisture-wicking technology
  • Underarm mesh panel for greater range of motion
  • Flat-lock seams & printed label to prevent chafing

Available in sizes S-3XL, Fire Navy only.

An Incredible Value. Especially during this limited-time offer.


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Product Code: 511-40017-724
Manufacturer: 5.11 Tactical

Reg. Price: $39.99
Sale Price: $12.00
You save $27.99!


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