I bought a size L a few months ago for my 8 year old son (he is tall for his age but skinny at around 72lbs) and we are both perfectly happy with these boxers. The fabric is thin but not very thin, just perfect for warm and hot weather.
Comfortable & Durable: Lucky & Me Noah π©² Boys Boxer Shorts 5 Pack - 100% Cotton Tagless Underwear
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