Leather Upper/Rubber sole. Shaft measures approximately Ankle" from arch. Unlined upper crafted in premium full-grain leather from an lwg silver-rated tannery provides superior comfort and softness against the foot. Leather-covered dual stretch gore for easy on/off. Ortholite footbed provides all-day cushioning and support. Sensorflex technology delivers underfoot support, independent suspension and greater flexibility for the ultimate smooth ride over any terrain. Protective coating designed to repel and resist water and oil-based stains.