The Petzl VERTEX BEST is a great helmet for those performing at the highest levels of rope access and tech rescue. This non-vented helmet meets applicable CE and ANSI standards for Type I helmets and is also E rated for the needs of utility and electical construction workers. Petzls PIXA series headlamps snap right into the forward crown of the helmet, and Petzls VIZIR face shield can also be seamlessly integrated into the helmet. Rounding out the design, there are slots to accommodate hearing protection, and clips for headlamps aside from the PIXA line. CSA certified versions are also available in yellow, white and red.