Worn by 'cool people' at the time. I think Mods wore them first. Wrap-around sunglasses were Impractical - they barely fitted over your eyes and were just like a line of plastic that few noses could accommodate! I had some in black... but I think me mum sat on them. They're still popular today.
Do You Remember Wraparound Sunglasses?
Do You Remember Wraparound Sunglasses?