Soft and Breathable Design: The 1000 Mile Run Anklet is soft, breathable and comfortable to keep feet protected and supported during running Strategic Padding for Comfort: Padded zones on the heel, toes and ball of foot offer superb comfort and shock absorption with the padding on the heel extending upwards to protect the Achilles tendon Enhanced Ventilation: The top of the foot section incorporates a ventilation mesh in its design. This reduced bulk on the top of the foot makes the sock feel lightweight and helps to increase breathability, keeping your feet cool Secure Fit Features: The arch bracing helps keep the sock in place during wear whilst the Y shape heel gives an exact fit on the foot. The flat toe seam helps to reduce irritation and rubbing on the toes