I need to replace a shoe which I bought and was delivered but the size is to small. it says size 8 but the shoe cant fit. Hiw do i go about it?

https://www.wikihow.com/Find-Your-Shoe-Size

If it fits and hurts your toes, there is a problem here. Hurting toes says that the shoe does not fit. Is it too shallow for your foot? If so, the shoe can be stretched depending on what the upper is. If you put your foot on the top of the shoe, does any of your foot hang over the edge? If so, this does not fit.

What was the question that you had? I do not see a question mark in all that above.

A huge proportion of footwear of all sorts are made using sizes taken from the standard Italian last. It has become a sort of tradition because Italian shoes have been world reknown for elegance - as a nation the Italians have notoriously narrow feet. People who don't have "Italian" feet usually need to buy shoes based on width fit in order to achieve comfort and in doing so will often end up buying shoes that are up to three sizes too long..

Add into this unsatisfactory situation the fact that not all manufacturers cut on the generous side, as with clothes, and the further problem when shoes are produced in metric and then converted into British or American sizes that rarely coincide, providing low cost manufacturers a further opportunity for meanness and rendering the more expensive footwear generally superior as being much closer to the size printed on the shoes or boots. Buying shoes and boots these days with preconceived notions about what size you need is a pathway to unnecessary expense and discomfort and much disappointment.

Only expensive children's shoes, exclusive brands, a very few specialist and bespoke shoes are available in a variety of width fittings for each size, leather shoes do have the benefit of "bedding in" but shoes and boots made of synthetic materials rarely do and if they do it is a slow process.
People who must buy mailorder often order two, three or more pairs at once in order to make comparisons.

If you are not in a position to do that I suggest you either have your feet measured for width and length or obtain the instructions to measure them yourself and then provide the measurements to the shoe or boot supplier or manufacturer and request they supply boots to fit the width of your obviously non-Italian feet.

Well a uk 5 is a usa 7. So if you fit into the uk 5 in these shoes you should fit into the women's 7. Just check to make sure the shoes do not run small or large. HERE is a convertor.

hi
your problem can be solved out it try ordering 81/2 women/'s that would exactly what you want

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usually runs half size smaller. I wear 37.5/7.5 but 38/8 Jimmy Choo pumps fit just right on me.

You need to retract the brake shoes, via the center adjuster mechanism. As your old brake wore, the adjuster moved the shoes outward. Simply move the adjuster to retract the shoes, then slide the drum on. Then, readjust the rear shoes.