adidas Running - Ozweego Classic Trail (Thunder Grey/Aluminum2/Dark Orange) - Men's: A well-cushioned running shoe designed for under-pronators to neutral runners. An awesome running shoe, a must have!; Synthetic leather and mesh upper for long durable wear. adiPRENE(R) plus maintains forefoot propulsion and efficiency. Elastic material located under the forefoot, retains natural propulsive forces for greater forefoot efficiency. TorSion(R) System creates stability and control. Allows natural rotation between the rear foot and the forefoot, provides midfoot support and improves surface adaptability. Z-TraXion(tm) - more grip, less weight. Z-shaped lugs maximize ground contact with less lugs, reducing shoe weight, and better multidirectional grip for trail running. Compression-molded EVA and carbon rubber outsole.