- EN 397
Helmet for use at heights and rescue work. Helmet shell in compliance with EN 397 Chinstrap in compliance with EN 12492 50 daN ( mountaineering ) If a complete EN 397 helmet is used, a Petzl Vertex ST is recommended. The ABS shell makes it very strong both in terms of hard knocks and general use. The fitting system consists of six-point fixed nylon bands for optimal comfort. The percussive shock energy from, for example, a hammer blow is absorbed through deformation of the helmet. The adjustment wheel at the sides help to centre the helmet, ensuring it sits properly on the head. It is possible to fit standard ear protection and VIZIR face shield. Four headlamp brackets and a slot for fitting a Petzl PIXA headlamp.. Facts : Adjustable headband: 53 – 63 cm. Colours: white, yellow, red, black, orange or blue. Weight: 455 g.