ACG Air Teocalli GTX [2002]At the time this was actually a very revolutionary shoe from Nikes ACG range. Its a breathable trail running shoe with the same waterproof benefits usually associated with all weather boots. Back in 2002 this pair closed the gap between porous running shoes and clunky waterproof boots. Goretex XCR is a more breathable version of traditional goretex. Midfoot and heel reinforcement assures precise foot control when running, and the outsoles are inspired