The Eco Theory Authentic Was Designed With Thoughtful Attention Toward Sustainability In Every Part Of The Shoe. From Organically Grown Cotton Canvas Uppers To The Newly Developed Eco Rubber Outsole That Has Been Engineered To Remove 100% Of Petroleum-based Rubber And Replace It With Natural Rubber, All While Maintaining The Grip And Durability That Vans Has Been Known For Since 1966, The Eco Theory Authentic Remakes Our Original Low Top Style With Environmentally-friendly Materials And Techniques That You Can Feel Good About. This Classic Lace-up Shoe Also Includes Metal Eyelets And Renewable Hemp Laces.