Find the support needed to push through your next workout by lacing into the New Balance® WX88SF training sneaker. Breathable mesh and synthetic upper materials. Slightly padded tongue and collar.Breathable fabric lining offers a great in-shoe feel.Removable foam insole. Dual-density CUSH+ midsole delivers ultrasoft, responsive cushioning without sacrificing durability or stability. Differential (heel-to-toe height): 6 mmRubber outsole material is strategically-placed in high-wear areas.Forefoot flex grooves promote a more natural range of motion. Imported. Measurements: Weight: 8 ozProduct measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size.