adidas Terrex Swift R GTX - Men's Theadidas Outdoor Terrex Swift R GTX is a fast, low to the ground mountain sports shoe with a grippy outsole and technologies that amplify protection. Textile and synthetic upper offers a breathable fit. GORE-TEX® membrane keeps water out, while allowing sweat to pass through. Molded sockliner enhances comfort and fit. Lightweight EVA midsole makes for long term cushioning. adiPRENE® insert provides comfort and shock absorption TraXion® outsole supplies optimal grip in wet conditions.