The Aruku is a lace up shoe with contrasting leathers. This style features a padded heel cup and tongue for extra comfort. The Aruku features technical lining by the toes creating comfort, warmth and moisture absorption. Naot's removable, anatomic cork and latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. The Men's Koru Collection features a 1'' EVA sole with a nylon shank for extra support. This collection uses a hand-sewn strobel construction making it strong and extremely flexible.