MBT Classic Collection are in EU size and Running Collection are in US size.
MBT index: performance
Generates an increased level of rock due to it’s strong sole curve and Pivot Axis for increased activation.
Material: Nappa leather
Cow lining footbed
Vibram RB Outsole (XS Trek)
Vibram XS Trek: Vibram’s technical trekking compound that represents performance and durability. Engineered for difficult trekking and multi-sport performance. Soft, flexible compound formulation with ultimate grip response on wet and dry terrain.