I ordered the Suciu 2s for cheap and couldn't wait to try the Adiprene, but sure enough, ran into the same problem I had when trying the Bristols: the damn collar and heel is not tall enough to accomodate such a cushy insole. So my heel is lifting out of the shoe even when they're fully laced up and tied down. SMDH. thinking of trying some Griffins, since they look to be a higher collar, or Sheffields since the Manchesters have always fit well.