CLASSIC BASEBALL STIRRUPS: While solid athletic socks can be very practical, they can also be a bit drab. Take your uniform to the next level with these solid baseball stirrups that come in over 12 team colors. 7 INCH CUT: Standard baseball stirrup fits over athletic socks (socks not included). These baseball stirrups are 100% Nylon DURABLE CONSTRUCTION: Wear these all season long for batting practice, games and training. SIZING INFO: Small - Best for ages 8-12 (Stirrup measures approximately 14'', laying flat). Medium - best for ages 12-15 (Stirrup measures approximately 17'', laying flat). Large - best for ages 16+ (Stirrup measures approximately 19", laying flat). US MADE IN THE USA: Twin City Knitting (TCK) was founded in North Carolina in 1961, where we still operate today. With over 60 years of manufacturing experience, our passion, know-how, ingenuity and design shows through in every pair of socks we make. When you purchase a TCK sock, you can expect high-quality and you can feel good about supporting American manufacturing and directly supporting American employees.