JSP SUREFIT™ Thermal Helmet Liner - Medium/Large - For Use Under JSP Evolution Safety Helmets & Hard Hats - Keeps Head Warm in Cold Working Environments - Construction & Outdoor Work

[APPROVED] The SureFit Thermal Helmet Liner is compatible with all JSP safety helmets. The stretchy material provides a nice tight fit for minimal interference and maximum comfort and warmth. [WARMTH] The SureFit Thermal Helmet Liner provides the wearer with warmth and protection from cold environments. The deep edges are designed to cover the entire ear. [COMFORT] The SureFit Thermal Helmet Liner is lightweight for all day comfort. [HYGIENIC] The SureFit Thermal Helmet Liner is machine washable at 30°C for hygiene purposes.