DRIFIRE FR Lightweight Boxer Brief Base Layer – 4.5 cal/cm², CAT 1

Inherently flame-resistant lightweight knit boxer brief, worn as a breathable, quick-drying base layer.

Arc rating
4.5 cal/cm²
CAT level
CAT 1
Regular price $47.24
Regular price Sale price $47.24
Shipping calculated at checkout.
Part no. DF2-446BB-DS-SM
Available to order
Usually ships in 4-8 business days
Regular price $47.24
Regular price Sale price $47.24
Regular price $47.24
Regular price Sale price $47.24

Overview

The DRIFIRE® FR Lightweight Boxer Brief is an arc-rated knit base layer made for all-day wear. It is inherently flame resistant, so its protection will not wash or wear out.

Key details

  • Arc rating4.5 cal/cm², CAT 1
  • Flame resistanceInherent: protection will not wash or wear out
  • Fabric5.4 oz DRIFIRE Lightweight Knit
  • ColorsDesert sand or navy

The lightweight, breathable knit wicks moisture and dries quickly, odor control keeps it fresh, and the soft fabric helps prevent chafing.

Sizes SM to 3X.

Care: machine wash warm (max. 140°F) with mild detergent and tumble dry medium. No ironing, chlorine bleach, hydrogen peroxide, fabric softener or starch.

Protection & compliance

Arc flash
  • Arc rating4.5 cal/cm²
  • PPE CategoryCAT 1
  • ASTM F1506Arc-rated flame-resistant protective clothing
Workplace electrical safety
  • NFPA 70EArc-flash workplace safetyA workplace standard reference, not independent product certification.
  • CSA Z462Electrical workplace safetyA workplace standard reference, not independent product certification.
  • OSHA 1910.269Electric power generation, transmission and distribution safetyA workplace regulation reference, not independent product certification.