I've been very impressed with the Pinlock on my Schuberth. It hasn't fogged ever, and that includes doing highway riding in 22 degrees.
My biggest gripe with it is just the *seam* or the line of the bottom of the Pinlock. If I crack the shield just a bit, I'm looking through 3 lines, the line at the bottom of the Pinlock, the line at the bottom of the shield, and then the helmet. If I have the sunvisor down it's even worse.
It's not *bad*, just more annoying than anything.
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