Arc Flash Wear

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DRIFIRE Prime Apparel

DRIFIRE Prime™ provides the optimal combination of moisture management, arc flash protection, flame resistance and comfort.


Whether you need extra protection or an extra layer to pull perspiration away, DRIFIRE Prime™ base layers have you covered. The lightweight breathable fabric and moisture management technology offers maximum comfort and odour control technology to help you stay focused on the job at hand. The premium four-way stretch fabric of DRIFIRE Prime™ provides maximum flexibility, style and comfort.

DRIFIRE is an FR brand of NATIONAL SAFETY APPAREL (ISO 9001:2000). NSA is the largest manufacturer of American-sewn safety apparel, founded in 1935 during the great depression, out of the need to keep American workers safe.



  • Fabric / Material
  • Weight
  • Comfort
  • Technology
  • Protection
  • Seams
  • Design
  • Control
  • Tag-less Shirt Collar 
  • UPF
  • Manufactured
  • Sizes
  • Colour

SS / LS T-Shirt: Boxer Brief / Long-John

  • DRIFIRE Prime™
  • 220gsm/6.5oz
  • 4-way Stretch for maximum comfort
  • Moisture management keeps you dry
  • Inherently FR
  • Off-set, flat-locked, no-rub comfort
  • Athletic design and cut
  • Odour control technology
  • SS / LS T-Shirt only
  • 50+ fabric blocks 99.5% UV Radiation
  • USA
  • SM - 5X (Tall MTO)
  • Gray
  • SKU: DF2-CM-762-PTS  
  • SKU: DF2-CM-762-PLS
  • SKU: DF2-CM-762-PBB
  • SKU: DF2-CM-762-PLP
  • Short Sleeve T-Shirt
  • Long Sleeve T-Shirt
  • Boxer Brief 
  • Long-John


  • ATPV 4.9 cal/cm2 
  • PPE CAT 1
  • NFPA 70E (Arc Flash)
  • CZA Z462 (Arc Flash: Canada)
  • ASTM F1506
  • OSHA 1910.269


When the US Marines had an urgent need for high-performance FR base layers to protect their forces in Afghanistan, DRIFIRE rose to the challenge. Not just for the battlefield, DRIFIRE superior comfort and protection is also available in FR workwear that provides protection for arc flash and flash fire hazards.

The DRIFIRE line of FR clothing utilises many exclusive and patented fabrics that utilise the same moisture wicking and fast-drying technology used in athletic apparel. From cool, comfortable DRIFIRE FR base layers to FR work shirts, outerwear and everything in between, DRIFIRE protects workers so they can perform their job comfortably without distraction.