If you’re in the US Audio46 has them.
https://audio46.com/products/azla-sednaearfit-xelastec-auto-fitting-eartips?omnisendContactID=5f2db8c1bac16e1763f4efa2&utm_campaign=campaign:+Dan+Clark+Audio+AEON+2++Noir+is+Back+In+Stock!+Audio+Technica+ATH-M50X,+64+Audio+Tia+Fourté,+and+U12T+In+Stock+(60ec9dd636ff65001c12dce8)&utm_medium=email&utm_source=omnisend
Those are regular Xelastec not the Crystals, which I don't see in there.
What were your thoughts on the Crystals? I think I remember you saying you weren't too fond of them.