5, which is what shes always worn in skechers, not sure why this pair runs narrow but I had the same issues ordering skechers off Amazon. Comfortable and they have adjustable straps for the perfect fit! How does this work so well?! I?ve had the same issue with all of them, which is they just suddenly decide not to work. The dehumidifier is just right. I will say these don?t stack up against the more expensive in-ears but if I had to choose from this price bracket then I would choose these. It did indeed come with an allen key, but only the smaller one to adjust the length of the kickstand, not the larger, 8mm allen key to install the kickstand. Its intended for a nursery, but Im using it in my own small bedroom. They are a little big because I lost weight. The straps are a little weird but the look is cut.