The new comfort flip-up helmet continues the development of its predecessor Nolan N104 Absolutely consistently and impresses with its elegant design, numerous technical features and a huge selection of colors and decors. Its compact dimensions (thanks to two different shell sizes), double P/J homologation, an ultra-wide visor, adjustable in different positions sun visor, airbooster technology for optimal ventilation, the patented elliptical opening mechanism and much more make the Nolan N100.5 for reference in the class of flip-up helmet all-rounders. Shell Polycarbonate shell 2 outer shell sizes 6 inner shell sizes Visor Scratch resistant treatement on both sides Ready for Pinlock Quick release shield system Vision protection system Scratch resistant and fog resistant treatements on both sides UV 400 protection N-Com compatibility Ready for N-com (B901L R series, B901 R series, B1.4, MSC III R series, ESS) Ready for ESS - Emergency Stop Signal N-com keypad adapters Ventilation system Airbooster technology Top ventilation Chin guard air intake Rear air exhaust Retention system Microlock² Comfort padding Removable and washable Antibacterial treatment Removable clima comfort top Removable cheek pads Removable neck roll other Features Wind protector Top helmet bag Protective hard coating on the vanish Microlock² (patented) Double lever retention system with micrometric adjustment. This system consists of a thermoplastic ergonomic opening lever, and of a second aluminium toothed and holding lever. The toothed lever releases the micrometric strip, thus the chin strap can only be open with a very broad rotation of the opening lever. This device minimizes the possibility of unintentional opening of the retention system.