Very Good Used Condition - Size - 9 Vionic Rest Kirra - Women's Supportive Sandals. Your favorite wear-everywhere sandal has arrived! Rest Kirra combines a triangular thong leather upper with subtle metal rivets and buckle details. A backstrap adds stability and adjustability. Natural Alignment with Vionic's Biomechanical Footbed. The orthotic-grade footbed supports your feet from the ground up. Upper: Leather or Printed Leather Footbed: Microfiber Wrapped EVA with orthotic arch support.