Well, well, well, here I am back on the Ih8mud forum, lol. I started out here about 9 or 10 years ago with a 2003 UZJ100, which I still own, and my son drives, I moved on to a 1985 FJ60, which I (stupidly) sold, and today I just purchased a 2015 LX570 for my wife. In the mean time...I've been...
Actually on eBay.
https://www.ebay.com/itm/264438217607
Full replacement (not the foam or seat heaters, tho) and they are leather.
Fit like a glove. Hardest part is getting the OEM leather out and not messing up the seat heaters.
Carefully cutting the seams is the trick.
Post up some pics and specs and whatnot! Congratulations, you are going to love having a Land Cruiser. The only problem is now you will not want anything else, because nothing compares!