Archies Diamonte Arch Support Thong - BlackWith up to 2. 2cm of orthotic support, Archies Thongs incorporate the same amount of support that you would find from an off the shelf orthotic, however with the patented design, they look just like normal thongs. The thongs are made out of an unbelievably comfortable, high quality foam material and really have a "wow" factor for anyone that tries them on. Once you get used to them, you will never want to take them off your feet and most people say