S: Chest 37-38.6in / 94-98cm, Waist 33.1-34.7in / 84-88cm
M: Chest 38.6-40.2in / 98-102cm, Waist 34.7-36.2in / 88-92cm
L: Chest 40.2-41.7in / 102-106cm, Waist 36.2-38in / 92-96cm
XL: Chest 41.7-43.3in / 106-110cm, Waist 37.8-39.4in / 96-100cm
XL+: Chest 41.7-44.5in / 106-113cm, Waist 37.8-40.9in / 96-114cm
2XL+: Chest 44.1-46.5in / 112-118cm, Waist 40.9-44.1in / 104-112cm
3XL+: Chest 46.5-48.8in / 118-124cm, Waist 44.1-47.2in / 112-120cm