HJC i91 Solid Helmet i91 is the new HJC flip-up touring helmet designed for all-day comfort and double homologation. Advanced polycarbonate housing is particularly lightweight and advanced CAD technology ensures exceptional comfort and a perfect fit. Suitable for those who wear glasses i91 is also prepared for Bluetooth Smart HJC 11B communication systems 21B and 50B. Features: Dual Certified (P/J) Excellent fit and comfort thanks to advanced CAD technology improved polycarbonate body adjustable polycarbonate chin guard Dynamic multi-stage sun visor for optimal positioning cheek pads are interchangeable in all sizes suitable for those who wears glasses water-repellent and quick-drying pad prepared for Smart HJC 11B 21B and 50B Bluetooth (not included in delivery) Specifications: Material: polycarbonate Standard: 22. 06 Clasp: micrometric clasp with one-touch ratchet mechanism Visor type: HJ-33, with anti-scratch coating Pinlock mountable Sun visor: HJ-V12 with anti-scratch coating P&J Features of the chin bar: Possibility to lock the chin bar when you want to ride with it in the open position for a safer ride. Chin curtain retractable when the helmet is open to make putting on easier and reduce wind resistance. Bottom Closing system automatically hides in the open position to reduce wind noise and drag. New bi-directional swivel chin bar allows the helmet to be more compact (below than before) while the open position reduces wind noise and drag. Dimensions: Helmet size/cheek pads/headrest: XS (54-55 cm)/35 mm/12 mm S (55-56 cm)/30 mm/9 mm M (57-58 cm) / 35 mm / 18 mm L (58-59 cm) / 30 mm / 15 mm XL (60-61 cm) / 25 mm / 9 mm 2XL (62–63 cm) / 20 mm / 7 mm Contents: 1x HJC i91 Solid Helmet 1x Pinlock Lens 1x Helmet Bag