Klein Tools K12 Series Carbon Fiber Hard Hats are constructed using multi-layered interlinked carbon fiber giving them the best low weight to high-strength combination. They feature large adjustable vents not found on other carbon fiber hard hats to stay cool in the heat. A balanced 6-Point suspension with removable, washable padded sweatband and top pad is designed for a secure fit and long-term comfort. Select K12 Series Carbon Fiber hard hats come with Klein Tools accessory mounts on the front and back for attaching Klein headlamps, fans, and other accessories; no strap needed Features: True carbon fiber multi-layered construction for great strength to weight ratio; Class C, Type-1 Hard hat meets ANSI Z89.1-2014 (R2019)-(PLUS LT and HT rated) and CSA Z94.1-15 (R2020); Klein accessory mounts on front and back allow quick and secure attachment of accessories; This model includes Includes Klein Reachargable 300 lumen magnetic headlamp (Cat. No. 56062) with charging cable; Large adjustable vents can be opened and closed to manage air circulation; 6-Point suspension for stability and balance; Unique suspension system features a flexible open frame design to provide optimal fit and improved air circulation; 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; Optional accessories and replacement parts include Rechargeable Headlamps (Cat. Nos. 56414, 56049, 56062); Sweatband, Top Pad, Suspension, Chin Strap (Cat. Nos. KHHSWTBND2, KHHTOPPAD2, HTSPN, KHHSTRP); Adjustable Vents, Dual Accessory Mounts - Warnings: Read, 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. - Replaced By Products: FRKHHSWTBND