Big Bill

Big Bill FR Insulated UltraSoft Cold Weather Bib Overalls M900US7

$323.07 - $387.68


The M900US7 by Big Bill are flame resistant, insulated bib overalls made with Westex UltraSoft FR fabric.  This style design features elastic shoulder straps with adjustable plastic release buckles, a left chest pocket, 2 large bottom patch pockets with hidden snap flap closure and wind-breaker snow flaps on the bottom of each leg. These CAT FR bib overalls have an Arc Rating ATPV of 52 cal/cm² and meets NFPA 70E and CSA Z462.


  • Arc Rating: ATPV 52 cal/cm², CAT 4
  • NFPA 70E
  • CSA Z462
  • 7 oz. Westex UltraSoft Fabric, 88% cotton / 12% Nylon
  • 10 oz. Westex InsulAir, Face Cloth - Indura 100% Cotton, Batting - 80% Silica Rayon / 20% Polyester
  • Elastic Shoulder Straps with Adjustable Plastic Release Buckles
  • One Left Chest Pocket with Pencil Division
  • Heavy-Duty, Two-Way Concealed Nomex Taped Zipper Front and Leg Closures
  • Storm Flap with Hidden Snap Over Front and Leg Zipper Closures 
  • Wind-Breaker Snow Flap on Bottom of Each Leg
  • Two Large Bottom Patch Pockets with Hidden Snap Flap Closure
  • Quadruple Stitched Waistband with Elastic on Back for More Comfort
  • Available in Color: Navy
  • Available in Sizes: SM, MD, LG, XL, 2XL, 3XL, 4XL, 5XL, MD-TALL, LG-TALL, XL-TALL, 2XL-TALL, 3XL-TALL, 4XL-TALL, 5XL-TALL
Size Chart
Size Chart
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Additional Information

FR Certified:
NFPA 70E, CSA Z462, CAT 4
Arc Rating:
52 cal/cm²
7 oz. Westex UltraSoft® (88% Cotton / 12% Nylon), 10 oz. Westex Insulair® (Face Cloth: Indura® 100% Cotton, Batting: 80% Silica Rayon / 20% Polyester)
Elastic Suspenders, Full Elastic Back at Waistband, Leg Gaiter with Snap Closure, Bar-Tacked Stress Points
Storm Flap with Concealed Nomex Tape Two-Way Brass Zipper and Snap
Age Group:
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