In-built Arch Support encourages optimal foot posture, aiding whole body alignment. Perfect for people with Plantar FasciitisSpecialized material molds to the unique shape of your foot. Given the supporting nature of the material, give them a day or two to wear in and you'll be in love with your Archies!Ultra-strong one-piece design makes Archies Flip Flops extremely durable and much less likely to have those annoying blow outs!Elevated heel reduces pressure on the achilles tendon, allowing you to wear Archies all day long.