I have a large one for my 10 year old son who wears a size 6/7 in men's shoes. They fit him well, so run small. The most disappointing thing is that they are very translucent. I bought them for him to wear to games but they're nowhere near the orange tint in the photos and you can see his pads right through them so he only uses them for practice. They were cheap so can't complain too much.
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