Hemp cotton blend upper with leather kick down heel counter for easy on and off and traditional raised toe seam Premium shearling lining made from wool and Tencel Lyocell blend keeps feet feeling warm and cozy Molded, high rebound Contoura insole made with dynamic heel cup and podiatrist designed arch support featuring wool and Tencel Lyocell blend shearling lining Lightweight SugarLite outsole made with 55% sugarcane EVA All leather used is made from Leather Working Group certified factories which work to minimize the environmental impact of leather production; all cotton is responsibly sourced