Leather upper Nylon laces Genuine shearling lining Blend85™ footbed. Blend85™ footbeds are made with 85% recycled foam. Footbeds also feature ecoTWEED™ Lining. ecoTWEED™ material is made from recycled plastic bottles. Three-quarter length composite insole Rubber outsole integrated with blended rice husk. Blended rice husk is an agricultural by-product that is typically thrown away.