Boo offers a dedicated Typekit plugin which allows you to use your Typekit fonts in Boo just like any other font.
Note: To be able to use Typekit plugin, you need a valid Typekit Account.
1. Go to your Typekit account and find your Typekit Kit ID. (Make sure it is published)
2. Get back to your dashboard and open theme options.
3. You will see a tab called "Typekit" in theme options. Copy and paste your Typekit Kit ID into the field.
4. Refresh your theme options page.
5. All set! You can now see your Typekit fonts in typography settings.