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 in Inches
                                                                  -------------------------------------------------------
                                                                                           40T  =  40 inch                                                  
                                                                                           42T  =  42 inch                             
                                                                                           44T  =  44 inch                           
                                                                                           46T  =  46 inch                          
                                                                                           48T  =  48 inch   
                                                                                           50T  =  50 inch                       
                                                                                           52T  =  52 inch                         
                                                                                           54T  =  54 inch                       
                                                                                           56T  =  56 inch                       
                                                                                           58T  =  58 inch                       
                                                                                           60T  =  60 inch                          
                                                                                           62T  =  62 inch                          
                                                                                           64T  =  64 inch