I always thought aria helmets were latest snell qualified. So I started to look at my corsair X to see if they were 2015 or 2020. I was hoping to find they were SA2020 so I could use them in a car too. The only thing I could find was a small decal that said "snell". WTF
You never will, "M" is a motorcycle helmet and "SA" is a special application (or maybe some other name) designation for auto racing. Main differences that I am aware of are fire retarding materials and a roll bar impact test in the SA helmets. Two things that are typically not an issue for bikes. Might be more to it though, it's been awhile since I read up on that.
The biggest issue I gather is the counterfeit "aria" helmet you seem to have. If it's and genuine ARAI Corsair X, it should have a small Snell sticker under the DOT sticker on the back. To see what version Snell that an ARAI helmet has, simply pull out the top liner pad and the Snell sticker with date will be under the liner. And as already posted, will not be both M and SA.
