This FR thermal fleece liner delivers dependable CAT 2 arc flash protection and high-visibility performance for cold-weather industrial work. Made in Canada with Polartec® Thermal PRO FR® fleece and Nomex® IIIA fabric, it provides exceptional warmth, breathability, and durability. The design includes a reversible FR Vislon zipper, snap-on hood, and hand-warmer pockets for everyday practicality. Sewn-on 3M™ Scotchlite™ FR reflective trim provides full 360° visibility with a front vertical layout, X-back configuration, and striping at the waist and arms. Worn alone during cool starts or layered under an FR shell, this liner enhances comfort and safety in environments requiring NFPA 70E and CSA Z462 compliance.

Key Features

Cold-weather FR insulation: Polartec® Thermal PRO FR® fleece provides warmth, breathability, and durability.
Full 360° visibility: Sewn-on 3M™ FR reflective trim with X-back and arm/waist striping improves safety in low-light environments.
Layering versatility: Wear alone or under an FR shell for added thermal protection.
Durable construction: Nomex® thread and reinforced seams ensure long-lasting performance.
Functional storage: Two hand-warmer side pockets at the waist.
Secure closure: YKK® #5 reversible FR Vislon zipper on Nomex® tape.
Adjustable comfort: Snap-on hood with drawstring and elastic stabilizers at cuffs and collar.

Intended Use

Designed for industrial workers who require arc flash protection, enhanced visibility, and thermal comfort in cold conditions. Ideal as a standalone garment in cool weather or layered beneath FR outerwear during winter operations.

Ideal for:

Electrical utilities and transmission work
Oil & gas and petrochemical environments
Mining and processing operations
Outdoor industrial maintenance and repairs
Construction and roadwork in cold temperatures
Work requiring CSA Z96 high-visibility compliance

Product Specifications

SKU: BK468NF
Brand: Big Bill
Product Type: FR thermal fleece liner, enhanced visibility
Fabric (Shell): 4.5 oz FR fabric, 100% Nomex® IIIA
Fabric (Fleece): 8 oz Polartec® Thermal PRO FR® (93% Nomex® / 5% Kevlar® / 2% Antistat)
Reflective Tape: 2" sewn-on FR reflective material, 3M™ Scotchlite™ #8935
Reflective Pattern: 360° visibility; vertical front stripes; X-back; waist striping; horizontal strip on each arm
Pockets: Two side hand-warmer pockets
Zipper: YKK® #5 reversible FR Vislon zipper on Nomex® tape
Hood: Snap-on hood with drawstring adjustment
Seams: Nomex® thread, serge and single-stitch construction
Cuffs/Collar: Elastic stabilizers
Care: Industrial wash
Country of Origin: Made in Canada

Certifications and Standards

CAT 2 – PPE Category 2 arc flash protection
ATPV 21 cal/cm² – Arc Thermal Performance Value
NFPA 70E – Electrical safety standard
CSA Z462 – Canadian arc flash safety standard
ASTM F1506 – FR fabric performance
CSA Z96 Class 2 / Level 2 – High-visibility safety standard