Upper: Waterproof Better Leather from a tannery rated silver by the Leather Working Group for its water, energy, and waste management practices, and ReBOTL fabric containing at least 50% recycled plastic Lace-up style Fully gusseted tongue ReBOTL fabric lining containing at least 50% recycled plastic Footbed of EVA-blend foam for high-rebound cushioning TimberDry waterproof membrane made of 50% recycled plastic Rubber lug outsole Toe bumper and heel piece made from climbing rubber Heel: 1.25 in. 3.2cm). Colour: multicolour