Measurements mentioned on the size chart are the ready measurements of the jacket, for best fit we suggest going 2 inches above your body measurements i.e. Body measurement chest: 36, suggested chest size: 38 on size chart
For Ramble(Men) & Beaufort (Women) : Measurements mentioned on the size chart are the ready measurements of the jacket, for best fit we suggest going 4 inches above your body measurements i.e. Body measurement chest: 36, suggested chest size: 40 on size chart for these jacket