Introducing the Girlfriend Collective Rib High-Rise Legging. Ist. Core. Helpers. StringHelper. RemoveHtmlTags("{@@=Ist. Core. Helpers. StringHelper. ToProperCase("The legging that started it all. Made from recycled water bottles — basically everything you need to get through your favorite high-impact activities, like running, yoga, and binge watching true crime. She is wearing a size S. Washing Instructions: Machine Washable Cold. Composition and Material: 79% RPET, 21% Spandex.. Colour: black