Hi,
You are still using the old version of our theme: 1.1.2
Current latest version is 1.2 | Release Date: September 1, 2013.
Download the latest version from the member area
How to upgrade
http://themonic.com/forums/topic/how-to-upgrade-iconic-one-pro-responsive-theme-to-the-latest-version/
Latest version will fix the IE issues.