Built for demanding days: This fr beanie uses CAT 2, 9.4 cal/cm2 Polartec Power grid fleece, helping provide lightweight arc-rated coverage through demanding daily industrial and utility workdays Warmth without bulk: Made with grid fleece patterned channels to retain body heat while maintaining breathability, this beanie gives lightweight insulation for cooler jobsite conditions and steady wear Ready for hard-hat work: This hard hat skull cap has a low-profile pull-on fit with flat locked seams, helping it sit comfortably beneath headgear during active industrial and utility workdays Comfort that moves with you: This moisture wicking winter hat combines 4-way stretch with performance fabric that helps manage sweat for dry comfort through bending, reaching and movement on the jobsite Protection backed by standards: Built for professional FR clothing needs, this cap meets NFPA 70E, NFPA 2112, ASTM F1506, CSA Z462 and OSHA 1910.269 requirements for industrial and utility work