I purchased a set of the light grey chairs. It's a really nice shade of grey, not too light and not too dark. I'm really happy with the  way the fabric looks & feels. The chairs are pretty as well. Style wise, they look great. 
They are very firm to sit in however so they're really not very comfortable, which is disappointing. Also, they aren't as heavy feeling as I expected. Kind of light weight & move around easily when bumped up against. They aren't a terrible purchase for $350/ea. There's no way they retail for over $800 the way Wayfair likes to claim.
I'd say they're comparable to any other $250 chair with a price increase for nicer fabric.