Rare Birkenstock |Mule Slip on with Top Strap | Brown | Size 36/6 Size: Women's Size 36/6 Color: Brown Condition: Excellent Material: 100% Leather upper / 100% Cork middle / 100% Rubber sole These are rare to find Birkenstock mules with a top strap. In excellent condition. Barely worn. The leather is in a suede style. Super comfy. No damage. No stains. In a non-smoking home with no pets.