Shin Splints

On of the issues with my legs is shin splints. I get sharp pain 75% of the time on my left shin. They start in the first 1/2 mile and will continue up to mile 2 to 2-1/2. I thought that it has to do with support in the shoes. I have some good shoes like my running and hiking, and some bad shoes, like my work shoes. The shoe does not seem to matter. I have added support with no help. The more I walk, it does get better. I have been walking about six days a week, and only one day will I have pain, that was last night. “Middle aged man“, normally has knee pain. Oh the pure pleasure of getting older.