My sister got a similar on Amazon. I got a similar one from Tumi outlet (she copied me. :P)

These look close:

https://www.amazon.com/Kah-Kee-Leather-Backpack-Compartment/dp/B07CYXV3YX/ref=sr_1_16?dchild=1&keywords=wide+mouth+backpack&qid=1600653204&sr=8-16

I don't remember what brand she got, but there are a bunch in the style. The one I got was still in the outlet in a different color - and I spent $50! I was shocked it was so cheap!