IOP- Thong Slide OnCharleston Shoe Company IOP Thong where coastal ease meets artisan craftsmanship. Slip into the effortless charm of the Isle of Palms with the IOP Thong by Charleston Shoe Company. Each pair is lovingly handmade and fully washable, so you can take them from the boardwalk to brunch and back again looking polished every step of the way. Designed for the woman who lives beautifully and moves freely, these thong sandals are the definition of low