Features

• Advanced Polycarbonate Composite Shell — With adjustable chinbar; lightweight, superior fit and comfort using advanced CAD technology
• Advanced Channeling Ventilation System (ACS) — Full front to back airflow flushes heat and humidity up and out
• Pinlock® Prepared HJ-17 Shield — Provides 99% UV protection
• RapidFire™ Shield Replacement System — Simple and Secure shield ratchet system provides ultra-quick, tool-less shield replacement
• Interior Parts — Moisture-wicking and dry
• Integrated Sun Visor — Black dark smoke sun visor deploys quickly and easily; anti-scratch coated and with user friendly sliding system
• Crown and Cheek Pads — Removable and washable
• Glasses Grooves — Accommodates riders who wear eyeglasses and sunglasses
• Cheek Pads — Interchangeable throughout all shell sizes
• Ready for SMART HJC Bluetooth (Bluetooth sold separately).
• Speaker Pockets — For Bluetooth communication

HJC Helmet Size Chart

C91 / C91 Snow

	Centimeters	Inches	Hat Size
XS	54 - 55	21 1/4” - 21 5/8”	6 3/4 - 6 7/8
S	55 - 56	21 5/8” - 22”	6 7/8 - 7
M	57 - 58	22 1/4” - 22 7/8”	7 1/8 - 7 1/4
L	58 - 59	23 1/4” - 23 5/8”	7 1/4 - 7 3/8
XL	60 - 61	23 5/8” - 24”	7 1/2 - 7 5/8
2XL	62 - 63	24 3/8” - 24 3/4”	7 3/4 - 7 7/8
3XL	64 - 65	25 1/8” - 25 1/2”	8 - 8 1/8
4XL	66 - 67	26” - 26 3/8”	8 1/4 - 8 3/8
5XL	68 - 69	26 3/4” - 27 1/8”	8 1/2 - 8 5/8

HJC Helmet Size Chart

C91 / C91 Snow — Interior

	Size (cm)	Cheek Pads (cm)	Liner (cm)
XS	54 - 55	30	9
S	55 - 56	25	7
M	57 - 58	30	15
L	58 - 59	25	9
XL	60 - 61	25	12
2XL	62 - 63	20	7
3XL	64 - 65	17	12
4XL	66 - 67	15	9
5XL	68 - 69	12	7