The HJC i91 helmet brings a touring rider's dream to life as a new addition to the iconic line. Created with the feel of blowing winds and endless roads in mind, the compact, low-profile shell is a lightweight companion for any journey. A wider view, a sun visor and a super cool interior come together to pack all your favorite features into one sleek and refined design. Always keep your attention on the adventure ahead with the internal drop-down sunshade controlled by a smooth, easy-to-reach wire lever on the bottom of the shell. The i91 is compatible with the second generation SmartHJC HJC 11B, 21B and 50B. Meets Ece 22.06 regulation.Data sheet: Shell / Safety: Material: Polycarbonate The Advanced Polycarbonate Shell was designed to be lightweight, with superior fit and comfort, using CAD technology. Cap size number: 3 ( 1st xs-s | 2nd ml | 3rd xl-2xl ) Homologation: Double P/J Homologation (Integral / Jet) - ECE 22.06 Strap: Micrometric release. Full Metal Micro Buckle System: High