The Omega II® Mega Ratchet® has the same great benefits as the Omega II® Safety Helmet in addition to the "Secure-Fit" ratchet which features an easy turn knob that allows adjusting for a perfect fit without removing the helmet. The hinged ratchet is cushioned with a thick sponge padding which fits low on the nape of the neck for lasting comfort. Adjusts to over 40 different head sizes, 6.5 - 8. The non-slip hold maintains the desired fit even in the most physically active jobs or extreme weather conditions. Made in USA and meets ANSI Z89.1, Type 1, Class C, E, and G requirements. 12/bx