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