[theandrewbailey]

Have you tried minimizing that? Are you using WOFF2? Have you eliminated extra character sets/ranges? I know of a tool that can help:

https://www.fontsquirrel.com/tools/webfont-generator

[winduptoy]

Yes it's WOFF2, served over gzip. I do not think that I can eliminate extra character ranges because Slimvoice is used all over the world.