Men's Adidas Terrex Fast X Low outdoor shoe features a high-abrasion mesh-and-synthetic upper and built for guaranteed stability, breathability and durability. Comfortable textile lining. Speed lacing construction for fast and snug lacing. Terrex Fast X Low is part of Adidas Outdoor FORMOTION footwear designed for enhanced motion control and downhill comfort. ADIPRENE+ in the forefoot maintains propulsion and efficiency. TRAXION outsole provides the best grip and agility during fast activities. Continental Rubber for optimal grip in wet conditions.