This updated Structure triax has a breathable mesh upper for added comfort and breathability for summer running.

• UPPER: Womens last and fit heel strap overlay for added support. Very lightweight and breathable mesh.

• MIDSOLE: Zoom air heel and forefoot. Womens crash pad and flexgrooves. Dual density for sockliner.  Large duralon inserts for added cushioning and traction.

• PROFILE: Our most famous stability shoe in an amazing update. Smoother, more stable, lightweight ride.