Health conditions – when does kybun help? kybun Support Team September 25, 2020 17:40 Updated Please visit http://usa.kyboot.shoes and either use the Search Page or the "Medical" main menu. Related articles kyBoot v MBT How long do kybun shoe last? Do kybun shoes come in wide sizes? What's the different from MBT and JOYA? What can I do if my feet slip in the kybun shoe? Comments 0 comments Please sign in to leave a comment.