Abbi Track Leather - BlackAbbi Track Leather is made of leather. All leather is from LWG certified production. The boot has a discreet zipper on the side and is completed with the distinctive track sole. The insole is made of a soft PU foam material, which is both light and shock absorbing. It is covered with the characteristic WODEN cork, to ensure breathability. The outsole is based on our Natural Soft technology. A technology designed to ensure you the best comfort. The