Klein® FRSKLC7 Flame-Resistant Helmet Liner, Heat Retention, Durable Construction, 100% Cotton, Navy/Black

Klein Tools flame-resistant helmet liner delivers arc flash and flash fire protection in a low-profile design. Soft, stretchy fabric provides all-day comfort while maintaining shape after repeated washing. Its slim fit works easily under hard hats without bunching. Includes visible FR tags for compliance verification. Essential for utility workers and construction crews in cold, exposed environments.

Features

• Soft, stretchy comfortable fabric moves flexibly with user for all day wearability
• Durable construction maintains shape and size after repeated washing for long-term job site use
• Slim fit low profile design fits easily under hard hats and helmets without bunching or slipping
• Cold weather warmth provides lasting heat retention in freezing temperatures and exposed work environments
• Field validated by linemen during trials for warmth, comfort, and performance in cold conditions
• Dependable cold weather layer for utility workers, linemen, and construction crews needing warmth on the job site