The Earthkeepers® by RÆBURN Men's Utility Boot are Christopher's latest design using Timberland's TimberLoop innovation. The Timberloop EK+ Utility Boots have a removable ReBOTL sock bootie made from recycled plastic and a unique sole construction where with a cut of one seam, the natural rubber outsoles can be taken off and put into a recycling stream. Serving up lightweight comfort and eco-conscious style in one fit - so you can adventure on with zero limits. Features & Benefits TimberLoopTM Upper made with Better Leather from an LWG Silver-rated tannery ReBOTLTM fabric lining Removable stretch knit sock bootie made from 100% ReBotlTM fabric OrthoLite® footbed EVA midsole Responsible natural rubber outsole