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. With mounts for attaching Klein headlamps and accessories - no strap needed!