Type 1 high impact rated ABS is extra strong & robust yet light-weight, ideal for all conditions 360° Broad Brim design provides max sun & rain protection The Broad Brim helmet accepts most 25mm and 30mm attachments in the marketplace. Patented slide and store insert system for cap mount earmuff attachment Ratchet wheel for one handed fit adjustment Premium 6 point terylene harness for comfort and cushioning Logo printing available. Certified to Australian Standards AS/NZS 1801