Why did we make our running socks in a calf height? Because they're the perfect rise that never slips or moves around, while even keeping dirt out of your socks while trail running. Bombas Hex Tec construction for breathability and moisture-wicking. Proprietary poly/cotton blend yarns. Made with comfort innovations like strategic zone cushioning and airflow ventilation. One purchased = one donated. | Men's Running Calf Sock 6-Pack - Charcoal Surf Mix - Athletic