Klein Tools Hard Hats were 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. Patent-pending accessory mounts on front and back ensure optional Klein Headlamps attach securely -- no straps needed! Safety 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 Breathable, padded sweat-wicking sweatband and top pad improve comfort and are machine washable 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 Universal accessory slots on both sides for attaching hearing protection, face shield and more Non-Vented Certifications: 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) Vented Certifications: 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)
