Advance caps are MSAs latest combination of advanced features - cooling vents for improved air circulation, lightweight design for added comfort, lateral contours above the ear for easy integration of hearing protection and Glaregard underbrim to reduce reflective glare. Advance caps are not specifically designed to protect against lateral blows from the front, side, or rear. Choice of 4-point or 6-point Fas-Trac, ratchet suspension for superior head protection. Meets ANSI Z89.1-2003 Type 1 Class C.