Full Brim Hard Hat, Type 1, Class E, Ratchet (4-Point), White Series Americana Molded from high density polyethylene. Provides protection from sun and rain. Secure-Fit ratchet features an easy turn knob. Adjusts to head sizes, 6 1/2 - 8. Made in USA. Meets ANSI Z89.1 Type 1 Class C, E G requirements. ERB Americana Features: Meets ANSI/ISEA Z89.1, TYPE 1 Class C, E, and G 4-point woven nylon suspension Moisture-wicking brow pad is removable, washable and replaceable SEI Certified. Meets the low temperature (LT) option of the Z89.1 Standard Accommodates a chin strap Goggle retaining slots on suspension Both Mega Ratchet and Slide-Lock Suspensions adjust to head sizes - 6.5 - 8 Mega Ratchet(r)The "Secure-Fit" ratchet features an easy turn knob that allows size adjustment without removing the helmet. Each turn of the ratchet knob automatically locks with 50 meshing teeth securing the position. The no-slip hold maintains the desired fit even in the most physically active jobs or extreme weather conditions. The hinged ratchet fits low on the nape of neck and is height-adjustable for a perfect fit. The ratchet mechanism is cushioned with a thick sponge padding for long-lasting comfort.