HELMET-KASK, RED, Material: Outer Shell ABS Plastic / Inner Shell HD Polystyrene, Size: Universal – Adjustable 51-62 cm / 20-24-3/8″, Certification: ANSI Z89.1-2009 / CSA Z94.1-2005, Notes: Beyond the sheer quality of the materials and the unique elegance of KASK design, the safety helmets, Notes: have been specifically designed to meet the needs of every active worker, whether for the, Notes: industrial and construction industry or for the work-at-height professionals. The perfectly, Notes: ergonomic helmets were developed to ensure the wearer unparalleled comfort.