3M SecureFit Safety Helmet delivers all-day comfort without sacrificing security. From our proprietary design to our industry-leading innovations, the 3M SecureFit Safety Helmet is engineered with workers in mind. The result is a revolutionary helmet design that delivers comfort without compromise. Suspension system incorporates exclusive patented 3M Pressure Diffusion Technology. Works with a variety of 3M Faceshields, Earmuffs, and other accessories.