DESCRIPTIONS This sleek men's chukka features our GreenStride™ comfort sole made of 75% renewable material.The upper is crafted using premium Better Leather,which is sourced from a sustainable tannery rated silver for its environmental processes.The cushioning footbed made from 70% bio-based material offers even more comfort. PRODUCT DETAIL • GreenStride™ comfort sole made of 75% renewable materials,including sugar cane and responsible natural rubber • Upper in premium nubuck Better Leather sourced from a sustainable tannery rated silver by the Leather Working Group for its water,energy,and waste management practices • ReBOTL™ fabric lining containing at least 50% recycled plastic • Footbed made from 70% bio-based material • Rubber outsole for grip