Mens6
  Size Chart
  Size Chest
  S 34 - 36
  M 38 - 40
  L 42 - 44
  XL 46 - 48
  XXL 50 - 52
     
  MT 38 - 40
  LT 42 - 44
  XLT 46 - 48
  XXLT 50 - 52
  3XLT 54 - 56
  4XLT 58 - 60
     
  2XB 50 - 52
  3XB 54 - 56
  4XB 58 - 60

Size chart is a general guide. It may include sizes that are unavailable for this item.