This item is for one tank top only. S: chest 73-78cm/28.7 in-30.7 in, for weight 40-47KG. M: chest 79-84cm/31.1 in-33.0 in, for weight 45-52KG. L: chest 85-89cm/33.4 in-35.0 in, for weight 52-60KG. XL: chest 90-96cm/35.4 in-37.8 in, for weight 60-67KG.
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