The Adidas Adizero Adios 4 M combines lightweight mesh construction with responsive cushioning, ideal for competitive runners seeking speed and comfort. The KZ9020 delivers a streamlined fit for road racing and tempo runs, enhancing natural stride efficiency. Key Features: - Lightweight engineered mesh: Provides maximum airflow and breathability. - Boost midsole: Returns energy with every step for sustained propulsion. - Rubber outsole: Offers durable traction on varied road surfaces. - Padded collar: Ensures a snug, stable heel fit for long-distance comfort.