To get a shirt that fits you perfectly you need take measurements to establish the right size.
1. Measure around the base of your neck and add 1 cm.
2. Measure around the widest part of your chest.
3. Measure around the narrowest part of your waist.
4. Measure from the top of the arm to the point above your palm.
5. Measure across your shoulders.
When you have taken all the measurements refer to the following size charts to get your shirt size.