The Asics NOOSA Tri 15 provides a top-of-the-line balance of performance, comfort, and durability. Featuring FlyteFoam BLAST cushioning provides lightweight impact absorption and a responsive rebound, while GUIDESOLE technology helps conserve energy by reducing ankle flexion, and the athletic mesh upper provides breathability and support. The AHARPLUS outsole is durable and provides excellent traction on a variety of surfaces for many miles to come.