Eli5: why do shoes disintegrate when left unworn (for extended period of time) and frequently wearing them actually prevents/delays disintegration?
In: Other
Saltwater is a natural preservative. When you don’t wear your shoes, they oxidize – a layer of deterioration forms and expands on surfaces, including the soles. Similar to rust, if the rust isn’t removed, the metal is consumed. By wearing your shoes, oxidation is removed by friction and the sweat keeps the material supple.
Latest Answers