The Rio is characterized by its sporty, elegant design featuring a single strap over the foot and an additional ankle strap for a secure fit. These sandals typically feature: Upper Material: Often made from Birko-Flor®, a synthetic material that is skin-friendly and durable. Footbed: The original anatomically shaped cork-latex footbed lined with suede. Sole: A lightweight EVA sole for cushioning and shock absorption. Womens size 12 Please note these are sold in pre-loved as-is condition. They show general signs of wear but are in overall very good condition.