Sustainable product Recycled Polyester / Nylon Description The Terrex Voyager 21, created by Adidas TERREX, is a very sturdy hiking shoe. The grey upper made of synthetic material is the perfect combination. Lined with fabric, they also feature a synthetic outer sole. Nothing will get in your way you when you wear these shoes! This quality shoe works in all the conditions! Product benefits Ventilated mesh upper / The upper contains a minimum of 50% recycled materials. Materials Upper : Synthetic Textile Lining : Textile Insole : Textile Sole : Synthetic adidas TERREX TERREX VOYAGER 21