Archies Footwear are designed by a certified physiotherapist to offer maximum support and align your entire body, setting them apart from generic flip flops. Up to 2.2cm of orthotic support in the arch encourages optimal foot posture aiding whole body alignment. Moulds To your Foot: our specialist closed cell foam material is formulated to mould to your foot. One Piece design: our ultra stong one piece design makes Archies footwear extremley durable and ensures no breaks. Elevated heel: Helps reduce strain on the calf and achillies tendon. Great for people with achillies tendonitis. When ordering a pair of Archies Flip Flops, Slides or Insoles, 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.