Photo Nov 11, 1 06 10 PM (1)Terrex Fast X Mid GTX- The Terrex Fast X Mid GTX is built to withstand any hike or trail that you might encounter this winter. The Terrex Fast X Mid GTX are built with all the features needed to conquer your trail. A protective, breathable mesh and synthetic upper will give you a whole new ultimate experience. Scroll down to see more pictures of the adidas Terrex X Mid GTX which are now available at BX Sports. Photo Nov 11, 1 05 51 PMPhoto Nov 11, 1 07 29 PMPhoto Nov 11, 1 06 30 PM