On the website, view page source or inspect elements > find 'icomoon' > and grab the following code
@font-face{font-family:icomoon;src:url(http://websitename.com/font/icomoon.eot);src:url(http://websitename.com/font/icomoon.eot?#iefix) format('embedded-opentype'),url(http://websitename.com/font/icomoon.ttf) format('truetype'),url(http://websitename.com/font/icomoon.woff)