With the M2, Anon had already made a nearly perfect goggle. So what does their M3 bring to the table? Several things, actually, including over-the-glasses compatibility...
If you're someone with a small-to-medium sized face and have trouble finding goggles with good peripheral vision, the Oakley Elevate could be a great fit for you.
We've spilled a lot of ink on the Anon M1 and M2 goggles, because they're that good. Here is an update on the M1, with more information on lens options.