Women's Novablast 4The updated Women'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