Chest: With arms relaxed at sides, measure directly under your arms around the fullest part of your chest and shoulder blades, keeping tape parallel to floor. Vest sizes correspond to your Chest or Belly whichever is bigger.

                                                                   Size                         -                           Chest
                                                                  -------------------------------------------------------
                                                                  
                                                                   S                             l                            38 Inch 
                                                                   M                             l                            40-42 Inch 
                                                                   L                              l                            44 Inch 
                                                                   XL                           l                            46-48 Inch 
                                                                   2XL                         l                            50-52 Inch 
                                                                   3XL                         l                            54 Inch 
                                                                   4XL                         l                            56-58 Inch 
                                                                   5XL                         l                            60