The GT 2130 Trail from Asics provides cushioning support and traction for all types of terrain. Impact guidance system enhances the foots natural gait from heel strike to toe-off. Space Trusstic System an advanced system that creates a pocket between the Trusstic System device and the midsole allowing for greater midsole deformation and a more efficient foot function. Solyte Midsole Material which is lighter than the Asics standard EVA and spEVA. Performace Trail Upper providing a water-resistant upper that is very breathable. Gusset construction prevents debris from entering the shoe and causing irritation.