SKU 9826054 Made for off-road ventures, the New Balance® FuelCell Summit Unknown v4 women's running shoe features a FuelCell midsole for energetic rebound and an aggressively lugged Hydrohesion outsole and Rock Stop Plate for traction on wet and gnarly terrain. A bootie-style upper delivers a supportive fit while the Toe Protect technology helps keep feet free of debris. Synthetic and mesh upper. Textile lining. Removable textile insole. Adjustable lace-up closure. Brand detailing on the side. Toe Protect technology to keep your feet protected. Rock Stop Plate on the outsole. FuelCell midsole foam. Hydrohesion rubber outsole. Imported. Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. Measurements: Heel Height: 1 1⁄2 in Weight: 9 oz View Zappos.com Glossary of Terms New Balance FuelCell Summit Unknown v4