The Archies thongs are our best selling product. Not only are they comfortable, the arch support in them can be helpful for those that need that support or use the Archies as an adjunct to the use of foot orthotics or supports in their normal shoes. https://www.blogarama.com/health-and-fitness-blogs/1354309-footstoreau-blog/51937319-making-modifications-archies-footwear