The New BOA® H3 design and updated functions are easier to use and ensure micro-adjustability with no pressure points. * A custom flex zone in the forefoot improves fit across the toes while an anti-microbial finish eliminates odor-causing bacteria. * Anatomical shape with heel contour and arch support. * Internal harness with lace closure and locking hardware. Integrated into boot shell for optimized heel hold * 50% Weight reduction from our standard outsoles. Contour molded dampening midsole with torsion control internal shank.