Chukka Driving Moc Burnt Sand from Twisted X Color: Burnt Sand Leather upper featuring lasered leather on vamp Nylon laces Mesh 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.