Klein Tools KONSTRUCT series Hard Hats are designed and engineered for the harshest environments. Constructed using lightweight fiber-reinforced polymers to withstand radiant heat loads up to 350-Degree Fahrenheit (176-Degree Celsius). Classic look, designed to enhance comfort and fit features a 6-Point suspension and removable, washable padded sweatband and top pad. Classic rugged hard hat design built using fiber-reinforced polymer construction. Class G, Type 1 hard hat meets ANSI Z89.1-2014 (Low Temp and High Temp rated), CSA Z94.1-15; tested up to 2kV of electrical protection. Hard hat and suspension components both tested to withstand radiant heat up to 350-Degree Fahrenheit (176-Degree Celsius). 6-Point suspension for enhanced stability and balance. Machine washable breathable, padded sweat-wicking sweatband and top pad improve comfort with advanced evaporative technology; simply wet and shake, for hours of cooling. Easy, one-handed adjustment with large knob ratchet mechanism even with gloves on, and soft neck pad that pivots to clear bandana knots and ponytails. Unique suspension system features a flexible open frame design to provide optimal fit and improved air circulation. Optional replacement parts sold separately: Sweatband (Cat. No. KHHSWTBND), Top Pad (Cat. No. KHHTOPPAD), Suspension (Cat. No. HTSPN). Optional accessories sold separately: Hard Hat Strap (Cat. No. 56060); Rechargeable Headlamps: (Cat. Nos. 56048, 56049, 56064, 56414).