POLYPROPYLENE HD EXTERNAL SHELLLightweight external shell with exponential better performance.Excels in impact absorption, especially at lower temperatures(-30C). Resists yellowing and degradation. Sanitized antibacterial treatment acts as an internal deodorant, Ratchet system with triple adjustment - width, height and rotation for perfect, secure fit,New, eco-leather chinstrap designed with new, rear adjustmentpoints for a more personalized fit. Accommodates wider sizes andadapts to earmuff use. Color-coded fastener indicate which ENstandard the chinstrap meets. Easy direct connection with accessories, Dielectric design, Universal-adjustable, Multilateral hit protection ensured, EPS inner shell for best shock absorption and protection, Conforms to EN 397 and EN 12492 impact requirements, EN 397 chinstrap designed to release if snagged (strength less than 25daN), Certified EN50365, protecting from 1000ac and 1500dc, Full face visor KAWVI00008-015 available (Requires KAWAC00009 adapter