From Rothy's, The Almond Washable Slingback Flats feature: Flexible fabric upper Knit with Rothy's signature thread, which is spun from recycled plastic bottles Hugging slingback strap Unlined Cushioned footbed Durable rubber outsole Machine Washable: Toss in the wash with cold water. Air dry. Imported. Sizing notes: Runs big. We recommend going half a size down for a better fit.