Asics NovaBlast 4 Womens Running Shoes - Black BackInStock-07-04-2026 The Siren 4 Traveler is

The Siren 4 Traveler is also designed with eco-friendly materials throughout

Merino Wool – warm

43% Synthetic

Offers traction in the ring

Asics NovaBlast 4 Womens Running Shoes - Black BackInStock-07-04-2026 The Siren 4 Traveler isThe NOVABLAST 4 running shoe features a new midsole and outsole geometry that helps produce an energized ride. A tongue wing construction in the upper helps improve the fit while reducing tongue movement. 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. This material helps create softer landings and a more energized toe off