The Naot Aruku is a lace up shoe with extreme comfort. The Aruku has padded technical lining in the front for comfort, warmth & moisture absorption. Naot's removable, anatomic cork & latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. Men's Koru Collection features a lightweight 1" EVA sole that is durable & provides excellent grip. This collection uses a hand-sewn Strobel construction making it strong and extremely flexible.