Treat your tootsies to the well-ventilated fabric that will stop your feet from overheating and becoming sweaty. Less sweat means less friction, so your feet have less chance of being sore after a strenuous hike. Achilles tendon padding Additional padded zones on the toes and ball of foot - provide extra comfort Arch bracing - gives additional support and a custom fit Flat-toe seam - prevents irritation from the sock along the top of the toes, eliminating friction in this area Ventilation zones on the top of the foot - maximise airflow Fabric: Merino wool blend Pack of: 2