Details The updated Men's Novablast 4 from ASICS features a new midsole and outsole geometry for an energized ride. It's complemented with an engineered woven upper that offers more stretch, ventilation, and durability. FF BLAST™ PLUS ECO cushioning is made with 20% recycled bio-based content, which creates softer landings and a more energized toe-off during training. Upper Engineered woven upper that offers more stretch, ventilation, and durability. A tongue wing construction in the upper helps improve the fit while reducing tongue movement. Midsole FF BLAST™ PLUS ECO cushioning is made with 20% recycled bio-based content. This material helps create softer landings and a more energized toe-off during training. Outsole Energized outsole with added grip generates maximum bounce with every step Heel 41.5 mm Forefoot 33.5 mm Offset 8 mm Width D Weight 9.2 oz / 260 g ASICS Novablast 4 Men's