A rainy commute is a hand-access and packing problem before it is a style problem. Check what needs to be reached on the train and what can stay buried.
No shortlist guarantees waterproofing, device protection, food temperature, theft prevention or durability. Current product materials and care instructions matter.
Before buying, test the journey in reverse: wet coat, train seat, laptop out, lunch bag stored, wallet accessed, bag put away at work.