This is a great all around theme for events, with many style options and has been optimized for Event Espresso 4.
Parent Theme Details:
Themify Base is a simple minimal responsive theme which comes with many layout and customization options. It comes with 5 extra skins, but you can customize every element of theme with live preview – site logo image, navigation menu, background, color, font selection with over 600+ Google Fonts, post styling, layout containers, etc. Theme Demo: http://themify.me/demo/themes/base/
Install a copy of the Themify Base parent theme from WordPress.org, then install the Themify Base Child theme from Espresso Themes. Click the purchase button below to get a copy of this child theme.