The V-Gard? H1 Safety Helmet provides exceptional comfort and ease of use in a stylish low-profile hard hat design. A complete above-the-neck platform for all applications. Fas-Trac? III Pivot Ratchet Suspension for superior comfort, adjustability, and range of motion, Non-contact foam liner maximizes air flow and breathability for optimal cooling and hygiene. Non-vented option for use in electrical applications (Tri-vented option for optimal air flow and cooling ), Field replaceable 4-point chinstraps with multiple adjustment points for customized fit and comfort, Premium moisture wicking headband with breathable foam and hook and loop attachment for easy field replacement. Patented "push-button" accessory attachment rail and universal clips for head lamps enables quick installation and removal, with no need for an additional carrier, Low profile design, even with a visor or spectacles attached, Convenient rescue whistle integrated into the chin strap buckle, Matte finish HDPE shell, Standard reflective stickers, Optional logo customisation in up to 3 locations, Compatible with a wide range of H1 attachments including face shields, spectacles and V-Gard ear defenders, Electrically insulating helmet meeting EN 397:2012 Industrial safety helmets 440 V AC and EN 50365 Insulating helmets for use on low voltage installations 1000 V AC