These are lightweight, purpose-built socks for running, working out and movement. They use Bombas Hex Tec construction for breathability and moisture-wicking, and made with proprietary poly/cotton blend yarns. With comfort innovations like strategic zone cushioning and airflow ventilation, they are specially designed to help you move with grace and speed. As always, 6 Purchased = 6 Donated. Recipient selects the size and color of their choice.