size 13/14 WIDE men's footwear (Moreton CH46)

size 13/14 men's footwear, wide = shoe, slipper, trainer, pumps, sandals, boots,
I have a friend who cant afford to buy new, and s/h foot wear of that size are hard to find, at the moment he is wearing what he can get his feet into with sad consequence's,,,,,, sore feet...., repair foot wear acceptable. thanks.