Medium: Fits US Men Shoe Size 6 - 8 Large: Fits US Men Shoe Size 9 - 12 XL:Fits US Men Shoe Size 12-15 and do not come in standard Nike packaging**   100% AUTHENTIC!  Have a direct relationship with the manufacture who is authorized to make Nike Elite Products for international Pro Players.    Check out my IG Page  Instagram.com/sock_kingltd  for update, reviews and colorways! Check my other listings for team/specialty colorways!