Insole Slipper / the articles for daily use

Design concept: Always wear shoes when going out, but a sudden torrential rain, wet shoes, but also gets into a sock, even footwear cannot be replaced for a long time, feet not only uncomfortable, unsanitary, and can even cause illness, this design was at the time of an emergency contingency purposes.
Design features: Chang the design of shoe insoles when it rains or is anyone who needs slippers moment, just take out the "insole slippers", with the fingers to easily pull the laces, becomes a light pair of flip-flops. As long as laces back to sewing, can be sole again, convenient storage.