This industrial safety helmet is manufactured from high density polyethylene (HDPE) and features top vents, rain gutter and six point polypropylene harness with sweat band. Head protection is essential for site workers for protection from falling objects or striking against fixed obstacles. Rain gutter to channel water away from the helmet and face Six point polypropylene harness with sweat band Slide adjustment fits head sizes from 530 - 640mm Manufactured from high density polyethylene (HDPE) Conforms to EN397:2012 + A1:2012 Helmet manufacture date is marked inside. Expiration date is 5 years from manufacture.