100% Nylon PERFECT BASEBALL STIRRUPS: MadSportsStuff partnered with TCK to create world class baseball stirrups in multiple color ways. TCK is the leader in manufacturing high quality MLB quality stirrups. These stirrups are made for men or women for baseball, softball or fastpitch. Stripe design is Pattern B. SIZING: Stirrups have a 7 inch cut. A medium fits ages 12-15 (Stirrup measures approx. 17, laying flat). A large fits ages 16+, or Jr. Varsity and Varsity: (Stirrup measures approx. 19, laying flat) PERFORMANCE MATERIALS: Fiber Contents: 100% Nylon fabric ADDITIONAL DETAILS: Standard baseball stirrup profile, fits over athletic socks (socks not included). ***NOTE- Please be aware any products produced with stripes (Socks or Stirrups) WILL have an overlap/stairstep stitching area on every stripe. This is inherent to the knitting process and is unavoidable. Please note this is NOT a defect in the product and these are not seconds. This same product is worn on field by Major League Baseball and the overlap is rarely noticed.*** ?? QUALITY CONSTRUCTION: Made with love in the USA.