Women's FuelCell Summit Unknown v4 (WTUNKNB4)

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. Features

- 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
- 6 mm drop; due to variances created during the development and manufacturing processes, all references to 6 mm drop are approximate

Style #: WTUNKNB4