Get the durability you expect from a quality work boot and the breathability you need in warmer, arid conditions with the Sonic 8". The leather upper is flanked by abrasion-resistant and highly breathable Perspair panels, allowing for a high level of ventilation. Incorporating a bi-fit board and a Resurge midsole for lightweight stability and cushioning underfoot, this boot delivers running shoe comfort in a functional, rugged platform.