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The New Balance 520 v9 (4E Extra Wide) Men's Running Shoe is an engineered, high-comfort mileage shoe purpose-built for runners and active fitness enthusiasts who require maximum internal volume. It blends a clean, modern aesthetic with reliable athletic performance features to support your daily road runs, gym sessions, or long shifts on your feet. This versatile trainer combines a plush underfoot cushioning system with a highly breathable upper framework, delivering a supportive and distraction-free stride.
4E Extra Wide Calibration: Specifically engineered with an aggressively expanded internal toe box, forefoot width, and midfoot volume profile to properly accommodate extra-wide feet, preventing side-wall pinching and pressure points.
Plush Foam Midsole: Equipped with a lightweight, injection-molded EVA foam midsole that absorbs harsh pavement impact forces and delivers a soft, responsive underfoot feel.
Engineered Mesh Upper: Constructed from a high-airflow synthetic mesh textile that dynamically flexes with your foot while rapidly expelling body heat during intense workouts.
Seamless Overlay Construction: Utilizes sleek, no-sew material applications for the structural overlays to provide a locked-in midfoot fit without causing irritating friction points or hotspots.
Durable Rubber Outsole: Features a full-coverage rubber outsole with targeted traction grooves to ensure reliable wet-and-dry grip while extending the lifespan of the shoe against abrasive road wear.
Fit Advice: The "4E" designation indicates a true extra-wide fit in men's athletic footwear. If standard wide (2E) shoes still feel tight or pinch along the sides of your feet, this extra-wide version is optimized to provide the necessary breathing room.