MCR Safety Summit Freeze FR®
Flame Resistant Insulated Bomber Jacket
Tan 100% Cotton Duck Outer
Modacrylic Quilted Insulation

Quilted modacrylic material adds Additional FR Protection and Additional Warmth

Many outdoor jobs require workers to wear Flame Resistant Clothing in cold conditions. The B4T Insulated FR Jacket features a comfortable and rugged 100% FR cotton duck outer material for rough applications and a quilted modacrylic lining for added warmth and FR protection. This jacket offers 34.8 cal/cm2 of protection and carries MCR Safety’s lifetime FR guarantee.  See MCR Safety’s other Flame-Resistant clothing options here.  Looking for the best flame resistant clothing options?  Look no further than MCR Safety!
  • 1 Inside left pocket
  • 10 oz. quilted modacrylic FR liner
  • 11 oz. 100% FR duck cotton outer
  • 2 Insulated hand warmer pockets over flap pockets, 4 total outer pockets
  • 34.8 cal/cm2  / CAT 3
  • ASTM 1930, ASTM F1506, and NFPA 70E Cert
  • Bi-Swing action back for comfort
  • Elastic bottom for fit and to help keep jacket from riding up
  • Insulated flame-resistant bomber jacket
  • Materials used certified to NFPA 2112
  • No exposed metal
  • Over-sized zipper pull for ease of use with gloves
  • Zipper front covered by storm flap
Suggested Alpha SizeSizing Type Part No.
M Regular B4TM
L Tall B4TLT
XL Regular B4TXL
2X Regular B4TX2
2X Tall B4TX2T
3X Regular B4TX3
3X Tall B4TX3T
4X Regular B4TX4
4X Tall B4TX4T
5X Regular B4TX5
5X Tall B4TX5T

Flammability Standard 2

Standard for Electrical Safety in the Workplace®

Flammability Standard 1

Standard on Flame-Resistant Clothing for Protection of Industrial Personnel Against Short-Duration Thermal Exposures from Fire

UL Certified

These items are Third Party Certified by UL, a world leader in product safety and testing certification.

ARC Risk Category

CAT Rating 3 (CAT3) - Minimum Arc Rating of 25.0 cal/cm2

Technical Specifications



Case Pack


Case Weight


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