This is the MBT/Masai Barefoot Technology BUNTAROC. It's a collaboration sandal between MBT and the Kobe-born rubber manufacturer, buntaro (R). The footbed uses "AIR RUBBER 'Castella'," which has antibacterial and deodorizing properties. It's made with skin-friendly materials that have passed formaldehyde testing, making it safe to wear barefoot. Size: 27 cm Color: BLACK/Black Please refrain from purchasing if you are overly concerned about details. Please check the photos for the condition. Worn only once. No box.