adidas Performance Men's Raven M Trail Runner 100% Synthetic/Textile Imported Rubber sole Shaft measures approximately Low-Top" from arch Weight: 12 ounces (size 9) boost's energy-returning properties keep every step charged with an endless supply of light, fast energy Mesh upper with ballistic welding and highly durable synthetic overlays to take the beating of trail running Speed lace construction for fast and snug lacing EVA cradle for support in forefoot and midfoot; Comfortable textile lining