ATPV Rating 5.2 cal/sq cm Arc Flash PPE Category 1 Areas Covered Ears and Head Color Black Fabric Weight 11.7 oz/sq yd Features 4-Way Stretch Channel Knit Construction Fleece Flat-Lock Seam Construction for Comfort Under a Hard Hat Inherently Fire and Arc Resistant Moisture-Wicking Flame Resistant Beanie Cap Material Trade Name Droganwear Inherent Tri-Blend Size One Size Standards ASTM F1506 NFPA 2112 NFPA 70E