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.

FuelCell midsole foam with approximately 3% bio-based content delivers a propulsive feel to help drive you forward. Bio-based content is made from renewable resources to help reduce our carbon footprint.

• Synthetic and mesh upper
• Bootie upper construction hugs your foot for a snug, supportive fit
• Toe Protect technology helps protect feet from rocks, roots and debris
• Rock Stop Plate outsole disperses pressure and helps protect the bottom of feet on rocky, uneven terrain
• Hydrohesion rubber outsole helps you maintain grip in wet conditions
• Adjustable lace closure for customized fit
• Drop: 6mm
• Weight: 272.1g