Ultra-lightweight vented shell made with ABS material provides superior protection while promoting air circulationEPS foam impact liner helps absorb the forces of top-of-head, front, side, and rear impactsIncludes an adjustable 4-point cross-over chin strap with quick release buckle for a safe and secure fitRugged SURE-LOCK adjustable wheel ratchet ensures proper suspension performance and fit for all head sizesInner suspension includes comfortable padding for above the brow lineMeets ANSI Z89.1-2014 Type II, Class CMeets clauses 4.2 of EN12492Compatible with full line of Traverse accessories