Advance caps are designed with cooling vents for improved air circulation and extra comfort. Polyethylene shell works with the 4 or 6-point Fas-Trac ratchet suspension for a complete protective system. The lightweight design offers added comfort, and the lateral contours above the ear provide easy integration of hearing protection. Glaregard™ under the brim reduces reflective glare, and an optional sun shield is available to extend the brim all the way around. Meets ANSI Z89.1-2003, Type I, Class C.