Molded from high density polyethylene for maximum protection. 6-Point nylon suspension adjust head sizes from 6 1/2 to 8 with ratchet knob. Padded hinged ratchet hangs low on nape of neck and is height adjustable for personalized fit. Hat accommodates chin strap. Moisture wicking brow pad is removable washable and replaceable. Goggle retaining slots on suspension. Meets the Low Temperature (LT) option of the Z89.1 standard. . Meets ANSI Z89.1 Type I Class C E & G requirements.