Breathable, four-way stretch mesh and supportive synthetic upper materials. Classic lace-up closure. Lightly padded tongue and collar. Soft fabric lining offers optimal comfort for barefoot wear. Removable foam insole. Resalyte midsole provides cushioning and support. Differential: 8 mm/4 mm (without insole) GOimpulse outsole sensor deliver aggressive traction over a variety of terrains. Imported.