Nexus HeightMaster our pioneering helmet combines advanced industrial safety standards with modern recreational styling including a replaceable 4-point adjustable EN 12492 Harness for working at height and a HeightMaster Liner for improved impact and penetration protection. Nexus Liner provides extra shock and penetration protection according to EN 12492 Colour coded harness with EN 12492 standard printed for easy identification, easily replaceable for improved hygiene Harness side adjusters for improved wearer fit and comfort Premium Dry-Tech sweatband as standard for maximum comfort. EN 12492, ANSI/ISEA Z89.1-2014 Type 1 Class C, LT. Conforms to the performance requirements of EN 50365. Tested to the performance requirements of AS/NZS 1801:1997. Conforms to EN 397 in respect of shock absorption, penetration, LD and -40C. 480g Shell: Acrylonitrile-Butadiene-Styrene (ABS) Micro Peak (20mm) 6 point sewn durable and hardwearing Terylene webbing cradle, complete with Dry-Tech Sweatband S16E*FMR Ratchet Vented S30*NHIRS (Nexus High Intensity Stickers - not fitted as standard)* Insert colour of stickers (i.e. S for Silver) S30NL (Nexus Liner) S30LY (EN 397 Harness) S589 (Clear Moulded Spectacles) S589SE (Smoke Grey Moulded Spectacles) Colour Variation: White Blue Light Blue Red Yellow Orange Green Black GreyHi-vis Yellow Hi-vis orange