From Twisted X®, the Men's Cellstretch® Wedge Sole Boots BarnShield™ leather upper BarnShield™ is a barnyard acid resistant leather CellStretch® technology utilizes cells in the forefoot and heel to provide superior cushioning and comfort Leather heel loop Single-stitched welt Nylon laces Mesh lining Footbeds feature ecoTWEED™ lining made from recycled plastic bottles Blend85™ footbeds are made with recycled foam Compression-molded EVA midsole Oil and slip resistant rubber outsole Approx. 6" shaft  Imported.