Petzl helmet accessories It is easy to install on VERTEX and STRATO helmets with the EASYCLIP attachment system. The unventilated outer shell protects against electrical hazards, molten metal splash and flames. Tactical Dealers; Customer service. With a very secure fit, Petzl helmets are comfortable to wear in a variety of different situations. Petzl USA - equipment, headlamps, and techniques for alpinism, climbing, and work at height Feb 28, 2019 ยท Petzl United Kingdom. Choose from the latest headlamps, tents, sleeping bags, and more. Shop By. From visors to headlamps and ear protection, these add-ons provide customization and improved performance in demanding environments. All Vertex helmets made between 2011 and 2018 utilize the Fixed Mount System as well as all Alveo Helmets . Available. wfcqzcimnszgrqdayzhxmqahquqdqnsbrvkwpfgsbrxltlljilomuqsaafxrylrgfdgtknxuddfmnyfwywpczkxuqy