Nine West Oxford Block Platform Heels 5.5

Brand new without box. Size 5.5 This is a reposh bc these were too small on my feet and I am super bummed bc I LOVE them and really wanted to keep them! They are gorgeous and perfect for work or any occasion. They are size 5.5 but they are on the smaller size and would fit a size 5 - 5.5 as opposed to a size 5.5-6 ( I'm in bw a 5.5-6).I own a pair of nude Nine West patent leather block heels that are size 5.5 &they fit me perfectly which is why I thought these would fit but these are too tight