Made for off-road ventures, the New Balance FuelCell Summit Unknown v4 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/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 a customized fit
• 6 mm drop; due to variances created during the development and manufacturing processes, all references to 6 mm drop are approximate

Size & Fit

• 272.1 grams (9.6 oz)