Our iconic Worlds Most Comfortable Thong now in our new ECO Rx Lite lightweight jersey. This thong sits higher on the hips. ECO Rx Lite is made from TENCEL with REFIBRA technology, incorporating pre- and post-consumer cotton textile waste and TENCEL Lyocell made out of wood pulp from sustainably managed forests. This thong sits high on the hips with our signature, ultra-flattering V-waistband made with upcycled Repreve nylon.