God no. The possible consequences are permanently damaging the connective tissue in your feet. Imagine if you were being fitted for a steel glove, and then you got a steel glove a full inch smaller than the ones you were fitted in. How would your hands feel after ten seconds? Much less an entire day? And multiple days? You get those, and you will 100% regret it. If you are an actual Size 12, that is.
God no. The possible consequences are permanently damaging the connective tissue in your feet. Imagine if you were being fitted for a steel glove, and then you got a steel glove a full inch smaller than the ones you were fitted in. How would your hands feel after ten seconds? Much less an entire day? And multiple days? You get those, and you will 100% regret it. If you are an actual Size 12, that is.