adidas outdoor Terrex Fast R Mid GTX Hiking Boot - Men's White/Black/Vista Grey 9 Mesh Outdoor-specific FORMOTION unit for enhanced motion control and downhill comfort High-abrasion mesh and synthetic upper materials for breathability and durability ADIPRENE+ in the forefoot maintains propulsion and efficiency OrthoLite anti-microbial moisture-wicking sockliner TRAXION outsole provides the best grip and agility during fast activities