Oiled Leather: The unique characteristics of the leather are highlighted by a rich oil treatment, it develops a natural patina over timeContoured cork footbed conforms to the shape of your foot and features pronounced arch support, a deep heel cup, and a roomy toe box; lined with suedeSole material: EVA, flexible, lightweight, durable and shock-absorbing.Lightweight EVA sole for cushioning and shock absorptionAvoid extreme heat/Heel shape: flatSize 9 / 40Great preowned condition, refer to pics