The adidas Outdoor Terrex Swift R3 GTX combines the lightweight design and cushioning of a trail running shoe with the versatility and stability of a hiking boot. GORE-TEX textile upper. Water-resistant and breathable. Speed lacing system. Textile lining and molded sockliner. Lightstrike EVA midsole. Back pull tab. Continental Rubber outsole. Textile and synthetic upper. Textile lining and insole. Synthetic outsole.