THESE GRINCHY SLIPPER SOCKS ARE ONE SIZE FITS MOST, UP TO ABOUT SIZE 8 I WOULD SAY. FUN FUZZY GRINCH SLIPPER ARE GREAT FOR THOSE COOL/COLD WINTER NIGHTS! INSIDE IS A SUPER SOFT PLAID FLEECE. FRONT TOP HAS GRINCH HAIR STICKING UP!! SO ADORABLE AND PERFECT FOR THE HOLIDAYS SEASON! PLEASE REVIEW PICTURES AS THEY ARE PART OF THE DESCRIPTION.