adidas outdoor Men's Terrex Swift R GTX Blue/Midnight Grey/Black Hiking Shoes - 8 D(M) US other LINING: GORE-TEX Extended Comfort Footwear. Mesh and synthetic upper for lightweight and comfort. SOCKLINER: Molded sockliner to enhance comfort and fit. MIDSOLE: Lightweight EVA midsole for long term cushioning. MIDSOLE: adiPRENE insert for comfort and shock absorption. OUTSOLE: Super High Traction Rubber for optimal grip in wet conditions.