Like all other reviewers the quality is excellent. You are also on the small side. My son is 8 years old (also skinny) but I ordered size 10/13 because I was tired of returning socks that were too thin or too tight. The socks fit, but make sure you select shoe size and not age when ordering (my son wears a size 4). Not sure my 8 year old will be comfortable in it next year so to say it will fit a 10-13 year old would be an exaggeration. Also, I wish they had multiple color options. Not sure if we'll be using yellow or maroon at all, it would be nice to have a pair of navy blue and black instead.
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