USED PLEASE SEE ALL PHOTOS Taffy Pink CROCS Lisa Frank Unicorn Classic Clogs Juniors Sz 4 = Womens Sz 5.5 /6 Tie Rub and need cleaning A Juniors (or Big Kids) size 4 Croc is generally equivalent to a US Women’s size 6. Fit Notes: While is a standard size 6, some users on Reddit noted that can feel slightly smaller than a standard Women's 6, and some may prefer a for a looser fit.