You can extend the life of your shoes by storing them carefully in your keepsake shoebox and stuffing them with tissue while they are not being worn.
Your real leather soles will last longer if you refrain from walking on wet, abrasive and gritty surfaces.
Any marks can be improved by gently buffing the affected area with a soft cloth.
Gentle use of a suede brush can help remove any loose dirt. Please keep this material out of the rain.