Ugg Classic Boot was originally designed on the California coast to keep surfers warm on the waves after an early morning ride. Since then it has become a symbol for cool west coast style. It consists of our famous soft lambskin, which naturally derives moisture and regulates heat. You can wear it wherever you want, both inside and outside. This product was made in a factory that supports women in our supply chain as part of Herproject. The initiative creates partnerships between brands such as ours in order to promote women through further training and transfer of responsibility at the workplace. The running sole of this product is either a treadlite by UGG ™ running sole or a Sugarsole ™ running sole. Sugarsole ™ is a sustainable foam that is not made of petroleum -based ethylene, but is.