Built for your action-packed lifestyle, this package offers up a mesh-ventilated, fully-cushioned Merino wool masterpiece—times two. Omni-Dry® combines with mesh to create superior airflow, while Merino wool has the benefit of being naturally moisture wicking and anti-microbial. The power arch and ankle support are specifically engineered for a supportive fit. Full cushioning protects your feet during high-impact activities.