small fits boot sizes 7-10.5
medium fits boot size 10.5-13
large fits boots sizes 13.5+ are you tired of your socks falling down into your boots these cowboy certified over-the-calf boot socks by dan post will stay up all day long! they are made with a certified stay-up top, added support around the ankle and arch, not to mention the reinforced toe and heel! these socks will add comfort to your boots for all day wear!