HJC F70 DIWEN Full Face Motorcycle Helmet.

The new F70 combines cutting-edge design with upgraded features for a fresh, must-have helmet. If you’re a rider who likes to stay ahead of the pack, this first addition to a new generation of helmets is calling your name. The unique design includes an aggressive-looking breath guard and maximized ventilation from two top vents and five rear exhaust escapes. Convenience is key with the internal, anti-fog coated dropdown sun shield controlled by a smooth, easy to reach lever on the bottom of the shell. This helmet is Bluetooth compatible with SmartHJC. Available in sizes XS-2XL

Features

Advanced Fiberglass Composite Shell
ACS Advanced Channeling Ventilation System
MultiCool™ Interior
HJ-32 Anti-Fog Lens Prepared Shield
HJ-V9 Sun Visor With Wider Vision
Speaker Pockets
Double D-Ring Retention Strap
Breath Deflector & Chin Curtain Included
Bluetooth Compatible With Smart HJC - (Bluetooth System Sold Separately)

Sizing

Wrap a tape measure horizontally around your forehead. Select the helmet that is the closest fit to that size. A helmet should fit snug on your head. If it moves while wearing, it is too large. If it is painful to wear, it is too small.

Size Chart
Size	CM:	Hat Size	Inches
2XS	51-52	6 3/8 - 6 1/2	20 - 20 1/2
XS	53-54	6 5/8 - 6 3/4	20 7/8 - 21 1/4
S	55-56	6 7/8 - 7	21 5/8 - 22
M	57-58	7 1/8 - 7 1/4	22 1/2 - 22 7/8
L	59-60	7 3/8 - 7 1/2	23 1/4 - 23 5/8
XL	61-62	7 5/8 - 7 3/4	24 - 24 3/8
2XL	63-64	7 7/8 - 8	24 3/4 - 25 1/4
3XL	65-66	8 1/8 - 8 1/4	25 5/8 - 26
4XL	67-68	8 3/8 - 8 1/2	26 3/8 - 26 3/4
5XL	69-70	8 3/4 - 8 3/4	27 1/4 - 27 5/8