We release loads of stuff outside of Japan that is not sold there. Maybe 60% of what is released in the West does not get released in Japan. If IH.jp does not have it online, they do not have it in-store either.
To @AdamJ or @AdamC or whomever from the crew: On the main website, the picture to the relove section is wrongly linked to the wesco boots page, the button works correctly, though.
@GraemeE You might be able to find what you're looking for using the search feature. There is some info available when I typed in Triple works into it.