Design: Tongue wing construction in the upper helps improve the fit while reducing tongue movement Engineered jacquard mesh upper offers more stretch and ventilation Reflective details designed to help improve visibility in low-light settings In-Shoe Comfort: FF BLAST(TM) MAX cushioning helps create softer landings and a more energized toe-off during your training Neutral support for normal size arches Durability & Traction: Trail-optimized ASICSGRIP(TM) outsole provides advanced grip on a variety of terrain Additional Details: The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology At least 75% of the shoe's main upper material is made with recycled materials to reduce waste and carbon emissions