Viking 3907FRWP Professional Journeyman Flame Retardant Insulated Bib Pants, Black. Fully compliant with CSA Z96-09 Class 1, Level FR. Meets ASTM F2302-08 heat and Flame resistant. Heavy duty FR treated 300 Denier Trilobal Rip-stop polyester with PU backing gives superior abrasion, puncture , rip and snag resistance. 2" Vi-Brance® reflective Material in 4" contrasting tape meets WCB/Worksafe/DOT configuration. 125GSM ThermoMAXX® Insulation good up to -300C / -220F. FR Treated inner lining. Heavy duty elastic suspenders with quick release buckle. Insulated upper bib. Detachable bib design. Elasticized waist with zippered fly and velcro flap. 13" Boot zippers with velcro cover for easy access. Available in sizes SM-4XL. Sold as each.