Perhaps you’re worried about experiencing rampant nomophobia when your ‘phone runs out of juice at just the wrong moment, or the thought of being without your choons on the move and having to acknowledge the world around you drives into a psychotic terror!?
Well technology is your saviour … and further more you’re going to look groovy 
Piezoelectric clothing is sort of predictable but hydroelectricity on the move is more left field! I wonder if I’ll be able to get some styled by Jimmy Choo, rather than Startrite on acid?