What size soccer jersey should I get my brother?

I am new to buying shirts. I think he wants to have a setting normal (not too long). It is about 5 '10 ", a very thin / thin type. What size should I get it. It's a shirt.

Recommended Authentics Premier chest size men Recommended Jersey Size Chest Authentic Jersey Size XS 35-36 S 37-38 46 " 50 M 39-40 46 "50 or 52 L 41-43" 52 or 54 XL 44-46 "XXL 56 54 47 or 49" 56 or 60 years, I always suggest that when the order for me to PPL measure chest and go with the numbers above. I do not deal with replicas but I'm just assuming that the map is accurate with them. In any case, would limit the size of the breast.

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