Klein Tools 60181 Cooling Helmet Liner for Hard Hats, M/L

RAPID COOLING HELMET LINER: Engineered to deliver fast cooling relief. CONTINUOUS COOLING: Provides up to two hours of cooling, offering an ideal solution for working in warm environments. COMFORTABLE FIT: Hard hat liner designed for use under standard safety helmets and hard hats for all-day wearability and protection. LIGHTWEIGHT, BREATHABLE MATERIAL: Constructed with lightweight and breathable mesh material to improve airflow. MACHINE WASHABLE: Fully machine-washable and reusable, offering convenience for daily use in construction and warm environments