Klein Tools Non-Vented Cap Style Hard Hats are designed and engineered for optimal safety, comfort and fit. Unique features allow the user to comfortably work in a wide variety of applications and demanding environments. Patented accessory mounts on front and back ensure optional Klein Headlamps attach securely; no straps needed.Features Breathable, padded sweat-wicking sweatband and top pad improve comfort and are machine washable Reverse donning: suspension can be switched to wear hard hat backwards Klein replacement parts (sold separately): Sweatband, Top Pad, Chin Strap, Suspension System (Cat. Nos. KHHSWTBND, KHHTOPPAD, KHHSTRP, KHHSPN) Safety hard hat has patented accessory mounts on front and back that ensure Klein Headlamps attach securely and precisely, every time; no straps or zip ties needed Klein accessories (sold separately): Rechargeable Headlamps (Cat. Nos. 56414, 56049, 56062) attach to patented Klein mounts on front and back Unique suspension system features a flexible open frame design to provide optimal fit and improved air circulation Easy, one-handed adjustment with large knob ratchet mechanism, even with gloves on, and soft neck pad pivots to clear bandanna knots and pony tails Tested up to 20kV Universal accessory slots on both sides for attaching hearing protection, face shield and more This Class E, Type 1 hard hat is tested up to 20kV and meets ANSI Z89.1-2014, CSA Z94.1-15; EN12492:2012-4.2.1.2, 4.2.1.3, 4.2.1.4 (Front/Back/Side impact) WarningsRead, 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. Electrical Protection: Tested up to 20kV Class: E Type: Type 1 Standard: ANSI Z89.1-2014, CSA Z94.1-15, EN12492:2012-4.2.1.2, 4.2.1.3, 4.2.1.4 Weight: 1.0000 lbs Hat Size: 6.5 to 8 Overall Length: 11.5 in. (29.2 cm) Overall Width: 8.8 in. (22.4 cm) Overall Height: 6.5 in. (16.5 cm) Depth: 11.45 in. Width: 8.8 in. Height: 6.5 in. Material: PC/ABS Hat Style: Cap Style Venting: Non-Vented Suspension: 4-Point, Flexible open-frame design Suspension Adjustment: Ratchet with Pivot, One-handed large knob ratchet mechanism Accessory Slots: Front, Back and Both Sides for hearing protection, face shield, and more, including patented front and back mounts for Klein Headlamps Shell Lining: Padded, Sweat-wicking, Odor Resistant, Breathable, Machine Washable Neck Pad: Soft, pivots to clear bandanna knots and pony tails Shell Color: Yellow Country of Origin: China DownloadsSafety Data SheetSafety Sheet 1Spec SheetInstructionsHH-Gen2_revINSTRUCTIONS_WEB_f2.22.pdf