The incredibly popular 1000 Mile Fusion Anklet Sock has had an upgrade 1000 Mile have kept the core values the same The Fusion Anklet Sock still combines the comfort and protection that comes from a padded sock with the 1000 Mile Double Layer System for reduced friction and blister protection The padded zone on the heel which helps to protect the Achilles tendon has been extended around the ankle and we have re-shaped the padding on the toe and ball of foot areas to make it even more comfortable 1000 Mile have added ventilation zones on the top of the foot area to increase breathability and help keep the feet feeling cool during wear This sock is knitted to an ankle length for those who prefer a shorter sock