A pair of arch support flip flops so comfy and supportive, you'll never want to take them off your feet! Real Arch Support. Up to 1 inch of orthotic support encourages optimal foot posture aiding whole body alignment. Perfect for people with Plantar Fasciitis. Size and Fit When ordering a pair of Archies Flip Flops or Slides, we recommend you choose your normal running shoe size. Half Sizes: If you are normally a half size we recommend you size up to the nearest full size. Eg. If you are normally a size 7.5 we recommend ordering a size 8.