I call them MOLLE Millions pants 😁
Front view (yes, I know I went overboard with the attachments):

Empty (photoshopped to mirror the other leg):

I call them MOLLE Millions pants 😁
Front view (yes, I know I went overboard with the attachments):

Empty (photoshopped to mirror the other leg):

It’s a cotton polyester twill. Feels durable.