Pioneer FR/Arc Rated Underwear Bottom - Modacrylic Blend Rib Knit

• 4-way stretch Flame-Gard® material
• Permanent flame resistant fabric, will not wash out
• Flame resistance and comfort combined
• Modacrylic blend jersey knit
• Antistatic
• ATPV 8.4 cal/cm² (Arc Thermal Protective Value)
• ARC 2 Arc Rating Category
• Rib ankles