Flame proof  cotton hat for helmet liner FR hard hat liner 

• Material: Two-ply winter liner with flame retardant shell, soft red twill lining,
• face mask 
• Size: One size fit all most .
• Color: grey ,black ,Navy ,dark colors are alway dirty resistant .
• Feature: adjustable Velcro chinstrap, and 3-button loop straps.
• Applicable Industries :Thermal winter liners can used as part of your insulated clothing wear for walk in freezers and coolers, meat lockers, flower cold storage facilities. These FR winter liners fit under all types of  PPE safety helmets standard sizes.