Hello,
I have had a pair of Nike shoes for about 4 years now and they are very comfortable for me. However, I had thrown away the piece of small tag that's on the inside of the shoes and I don't know what model/the name of the shoe is. I would like to buy these again but as I said I don't know what the name/model is. Can anyone help me figure out what shoes these are?

These are womens shoes/I think they might be running shoes
On the bottom of the sole, it says 'Air' - if that helps any.

I've tried doing a reverse image search on Google but no luck.