HJC i100 - Motorcycle Flip-Up Integral Helmet with Polycarbonate Shell The i100 brings variety to the everyday life of a modular helmet. This modular helmet features a fully rotating chin bar that can be used in both open and full-face configurations thanks to P/J dual homologation. An easy-to-use integrated sun visor (Dark Smoke) is cable operated and is located on the lower left side of the shell. This shell is made from our advanced polycarbonate material and is offered in 3 shells ranging in size from XS to 2XL for maximum comfort and fit. It's also designed and engineered with optimal balance and weight distribution for all-day riding comfort. This helmet is also suitable for the SMART HJC Bluetooth systems (10B and 20B).