Hard Hat, Non-Vented, Full Brim Style, WhiteWarningsRead, understand, and follow all instructions, cautions and warnings attached to and/or packed with all Hard Hats and Accessories before each use. Failure to follow these warnings and instructions may result in serious bodily injury or death.FeaturesUnique suspension system features a flexible open frame design to provide optimal fit and improved air circulationAccessories and replacement parts (sold separately): Rechargeable Headlamps (Cat. Nos. 56049, 56048, 56062), Sweatband, Top Pad, Chin Strap, Suspension System (Cat. Nos. KHHSWTBND, KHHTOPPAD, KHHSTRP, KHHSPN)Easy, one-handed adjustment with large knob ratchet mechanism even with gloves on and soft neck pad pivots to clear bandana knots and pony tailsBreathable, padded sweat-wicking sweatband and top pad improve comfort and are machine washableSafety hard hat has patent-pending accessory mounts on front and back ensure optional Klein Headlamps attach securely and precisely, every time no straps or zip ties needed!This Class E, Type 1 hard hat is tested up to 20kV and meets ANSI Z89.1-2014, CSA Z94.1-15; EN397:2012+A1:2012-5.2.4 (Lateral Deformation-LD); EN12492:2012-4.2.1.2, 4.2.1.3, 4.2.1.4 (Front/Back/Side impact)Universal accessory slots on both sides for attaching hearing protection, face shield and moreTested up to 20kV60400 – spec sheet