Use a scrubbing brush to clean the dirt from the PU soles and can wash it with warm water.
Do not dry the shoes in direct sun or heat as it will harm the shoes and soles leading to their damage. Let the shoes dry in shade.
Rub your soles with linseed oil or fish oil from time to time to extend their durability significantly.
To protect the interior of your safety shoes, you should wear them on alternate days or with a break. Also, you can clean the interior of the sole from time to time to avoid bacterial growth.
Thus, PU sole is one of the best soles when it comes to the manufacturing of both safety and fashion shoes. Both safety shoes for men and women use this sole to offer footwear that is comfortable and durable at the same time- not to mention affordable.