Saw this online, but it said the store was out of stock. imagine my surprise when i went to my local store and found it in both a small and a medium in white.. i tried them both on, but not a lot of difference in the sizing. the small had a smaller head/neck opening causing it to be a bit tough to remove without getting makeup on it, which the small did. the medium fit very very close to the small, but a smidge bigger at the neck. the shoulders of both seemed to fit the same, with maybe a tad mo