Adjustable ankle strap and toe loopFor Leather: Clean and condition with a mild leather cleaner. Use a matching polish to renew scuff spots and restore the original luster. Upper material: Oiled Leather - Thick yet supple leathers without additional dyes to keep the leather breathable, durable and comfortable. Footbed: The original Birkenstock footbed - Featuring pronounced arch support, deep heel cup, and roomy toe box. Footbed molds and shapes to your foot. Sole material: EVA - Flexible, lightweight, durable and shock absorbing. For Birko-Flor and Birkibuc: Wipe clean with a damp cloth. Try soap and water or a mild leather cleaner to remove stubborn stains. Allow to dry out of direct sunlight. Colour: black