What is the VICIS ZERO2 Helmet? January 05, 2023 21:05 Updated Watch as VICIS' Senior Design Engineer, Cord Santiago, takes a deep dive into the design and development of the ZERO2: Related articles How do I properly fit my VICIS ZERO2? What is the ZERO2 TRENCH? What is the difference between a ZERO2 and ZERO2 ELITE? Why do some VICIS ZERO2s come with holes and some without? How do I contact VICIS customer service?