The Naot Limba is a great everyday lace up boot. This style has a padded collar; tongue for ultimate comfort. The Limba 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. The Serengeti Collection features a lightweight 1.5" TPR lug sole that is durable; provides excellent grip. This collection uses a hand-sewn Strobel construction making it strong and extremely flexible.