Are there any type of robes that have velcro? My mother can’t zip the zipper.

SharShar: Several exist via Googling.

Check out adaptive clothing. Companies like Amazon and others offer a range of adaptive clothing options designed specifically to make getting dressed simpler and more comfortable.

These clothes feature designs such as open back shirts, snap on pants, wrap around skirts, and slip on shoes and slippers.
Perfect for people with mobility issues, disabilities or anyone who wants more convenience in their wardrobe.

Just Google “adaptive clothing “ to explore the many options available.

They sell adhesive velcro strips that you can attach to the robe. You can pick them up in the home improvement section at your local target or Walmart.

What about robes that just slip over your head that don’t require her to zip or button up?

Check out Silverts
https://www.silverts.com