Baseball Stirrup in Mid-calf, 3 Sizes, Solid Color 100% Nylon 100% heavyweight stretch nylon with sewn-in elastic band at top and knit in stirrup Socks Size: Adult = 9-15, Pony = 8-11, Youth = 6-8 All stirrups are made to come up to the knee. Stirrup is mid-calf indicated by 9" for Adult. The ankle-high is indicated by 4". Feel free to contact us for additional colors as inventory changes. See our color chart in our store front for sock-to-shoe sizing.