New to the Tide family, Tide Rhinestones is designed with the rebel in mind. A total rock star, this timeless flip flop with bling takes the spotlight. Orthaheel Technology Built-in heel orthotic Lightweight flexible EVA midsole TPR rubber outsole Leather/woven upper straps and toe post American Podiatric Medical Association seal of approval. Scientifically Proven to Alleviate Heel Pain..Based on a peer-reviewed clinical study partially funded by Vionic on people experiencing moderate, non-trau