<bi×sole> are urban sandals in a functional and simple design. You can choose from two types of soles; the “closed sole” which is good to wear on rainy days or in the garden or the “open sole” which has some holes on it, so that it breathes and drains well. In order to ensure water-resistance, Frontier used EVA resin for the main material. <bi×sole> are extremely light and well cushioned for maximum ease and comfort.