The highest quality regalia from https://www.phinishedgown.com. All the materials have been specifically chosen to closely match university designs and crafted into beautiful PhD regalia.

The Stanford Engineering Regalia Set is currently out of stock from this site. Get mine for discounted price! Use once in previous year and in great condition.
https://www.phinishedgown.com/products/stanford-doctoral-regalia?variant=546049897

Please check sizing here(https://www.phinishedgown.com/pages/size-chart), or on screenshot in this post.
This is for Engineering Department (orange)
Gown Size L (height w/shoes 5'8" - 5'11")
Tam Size L (head size 22"-23")

Paid $321.75; yours for $270.
You are welcome to check it out/try it before making a decision.