From Twisted X®, the Men's Chukka Driving Mocs feature: Leather upper featuring lasered leather on vamp ecoTWEED™ material is made from recycled plastic bottles Nylon laces Mesh lining Footbeds also feature ecoTWEED™ Lining Blend85™ footbed made with recycled foam Three-quarter length composite insole Rubber outsole integrated with blended rice husk Imported.