Hi Cheryl! One of our Cushion models would likely be the best option for long days on your feet. The Glycerin 20 could be a great option, or the Glycerin GTS 20 if you overpronate - your feet and/or ankles roll inward as you walk.
You may also benefit from visiting a local run specialty shop and having your gait analyzed. We have a great tool on our site to help you see the local retailers in your area that carry our gear, and some even connect their inventory to browse online before visiting or calling. Stores labeled with a yellow pin on the map will have their inventory linked to browse. Use the link below to visit our Store Finder to see some shops in your area.
Store Finder: https://www.brooksrunning.com/en_us/store-locator/