Most brands of shades have a folding range these days. In fact, I don't know when last I bought a pair of shades that
didn't fold, to tell you the truth. It's just a better life - especially here on the Radlantic Seaboard where one often arrives at early evening events with the sun still up in the sky (the dead of night, if you live in Newlands). So you take your shades with you and you're stuck when the sun ...