MBT

MBT stands for "Masai Barefoot Technology," and the shoes are designed to simulate walking in sand. It's a multi-layered, curved sole that accomplishes this by creating a natural but uneven walking surface. This technology is meant to make the core strengthening muscles more active, creating better posture and increasing shock absorbtion for all of the joints. It also makes wearing the shoes quite a unique experience, and a bit of a workout.