M: suggest chest 31-33 in/79-84cm, suggest weight 103-114 lbs/47-52 kg. L: suggest chest 33-35 in/85-89cm, suggest weight 114-132 lbs/52-60 kg. XL: suggest chest 35-38 in/90-96cm, suggest weight 132-147 lbs/60-67 kg.
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