Thank you for viewing. MBT x BUNTARO Sandals Masai Barefoot Technology (MBT) sandals, Buntaro collaboration model MBT x Buntaro Sandals Color: Black Size: EUR41 Masai Barefoot Technology Collaboration product with Buntaro®. The patented marshmallow footbed is worth trying. Used a few times, but haven't had a chance to wear them, and have been stored at home. Please feel free to ask any questions. When purchasing, please be sure to read the contents listed in the profile section.