Birkibuc upper offers a textured finish that looks and feels like velvety nubuck. Anatomically correct cork footbed, crafted from cork that is 100% renewable and sustainable, encourages foot health. Raised toe bar design allows for the natural gripping motion of your foot, exercising your legs and aiding circulation. Neutral heel profile and deep heel cup keeps the natural padding of your foot where it belongs, under the heel, distributing your body weight more evenly. Flexible EVA outsole offers lightweight, shock absorbing support with lasting durability.