MadSportsStuff Player Id Custom Number Over The Calf Sock BUILD YOUR CUSTOM JERSEY NUMBER: By selecting one sock for each foot, you can build your very own player number. For example: if you are #1, choose a 0 and a 1 or a blank and a 1. If you are #33, chose 2 #3 socks. These socks are perfect for basketball, soccer, softball, baseball, field hockey, volleyball, football, lacrosse and make great team socks! ACCURATE SIZING: Shoe Size: Small Youth 12-5 or Womens 4-7, Medium - Womens 7-10 or Mens 6-9, Large - Womens 10-13 or Mens 9-12, X-Large Womens 13+ or Mens 12+ PERFORMANCE MATERIALS: Fiber Contents: 77% Polypropylene, 17% Nylon, 3% Elastic, 3%Lycra Spandex PERFORMANCE FEATURES: Moisture Wicking, Arch and Ankle Compression to reduce fatigue, Blister Control, Lightweight, Double Welt Top, Heel/Toe Design, Infused Alphasan Antimicrobials control bacteria and odor QUALITY CONSTRUCTION: Made with love in the USA