I was having a fog up problem with my J-Cruise helmet shield. Once I added the Pinlock lens the problem was solved. If you are having the same issues, I highly recommend this item
Shoei CJ-2 Pinlock Lens
Sale Price: $34.99
Shoei CJ-2 Pinlock Lens.
Shoei CJ-2 Pinlock Lens Features
- PINLOCK® fog-free sheet which prevents fogging of a shield is newly adopted to an open-face helmet.
- PINLOCK® fog-free sheet for CJ-2 covers up to top end of a shield to avoid fogging of top end of a shield which disturbs vision during a ride.
- Furthermore, it is extended downward by about 8mm compared with a sheet for full-face to cover a larger vision of an open-face.