MODERN CRAFT. Multimaterial upper with craft details throughout. Soft and Flexible materials for all day wear. SUSTAINABILITY. Plant based FLOWERFOAM unitsole​. Recycled Micro Suede. RC Leather toe overlay. Recycled footbed​. COMFORT AND CONSIDERED CUSHIONING. High performance plant based FLOWERFOAM unitsole delivers responsive cushioning for all day comfort. As you move, Generation ZERØGRAND arched outsole helps absorb impact while adding a restorative spring to your step for allday comfort and cushioning.