Long standing diabetes
causes problems with peripheral nerves - called diabetic neuropathy. Sensations get affected, leading to a feeling that one is walking some soft bed or something of that sort. Do you also have any sensory loss, or altered sensation in feet, around toes etc? get a proper assessment of the sensory affection by a bithesiometer examination, plus use proper fitting foot wear and avoid injuries to the foot. Plus keep excellent sugar
control. Seek advice of your physician early.