Securefit H-series Hard Hats, H-700 Vented Cap With Uv Indicator, 4-point Pressure Diffusion Ratchet Suspension, BlueHelp give your workers an excellent blend of comfort, style and safety with 3M SecureFit Hard Hat Series. Available in cap style or full brim models, the suspension system incorporates patented Pressure Diffusion Technology and sits low on the head for greater comfort and security. Select models feature a proprietary indicator that lets wearer know when to replace helmet due to UV exposure. All models meet ANSI Z89. 1 Safety Compliance Standards.