This blue one from M&S.
Or this taupe one from John Lewis.
I like them both, although they are quite different. I like a reasonably big bag, but need a cross body strap. I want something which works in the summer......I'm leaning towards the JL one but it might be too big. I'd like a blue bag, but the M&S one is quite a dark blue, not summery....Help....any opinions?