At any product i think. Here is this one for examp. The size guide is enabled but no link at the client side.
http://melinafashion.com/?product=%d0%b4%d0%b0%d0%bc%d1%81%d0%ba%d0%b8-%d0%bf%d0%b0%d0%bd%d1%82%d0%b0%d0%bb%d0%be%d0%bd%d0%b8
