Stays up all day - Comfortable fit for support and less fatigue on lower leg - Finest materials for best moisture management available - Anti microbial yarn permanentley inhibits growth of  order causing bacteria - Cool in the summer warm in the winter - Ideal for all boots - Manufactured in the USA TWO PAIR PER PACK  Sizes - DPCBC9  Mens over the calf fits 7-10 1/2 - DPCBC10 Mens over the calf fits 10 1/2-13 - DPCBC13 Mens over the calf fits 13 1/2 and Larger Cowboy Certified Over The Calf Boot Socks for Men from Dan Post