In Celebration Of Mother Earth, These Classic Alpargatas Are Made From Hemp And Recycled Polyester. So Go Explore The World In Them—The Molded Insole Will Keep You Comfortable. 77% Hemp 23% Recycled Poly Blue Upper Traditional Alpargata Style With Elastic “V” For Easy Fit Natural Jute Rope Sole Molded Removable Insole, Cotton Twill Sock Liner Fights Bacteria Vegan Hemp Naturally Repels Weed Growth And Has Few Insect Enemies, Requiring Less Use Of Pesticides, And The Poly Fibers Are Made Of Recycled Materials, Including Plastic Bottles!