1. Use similar clothing to compare with the size.
2. Choose One Size Larger if you want loose fitting.
US M–Shoulder–45.5 cm/17.7 inch;Sleeve–62 cm/24.2 inch;Chest–110 cm/42.9 inch;Length–59 cm/23 inch;
US L–Shoulder–47 cm/18.3 inch;Sleeve–62 cm/24.2 inch;Chest–116 cm/45.2 inch;Length–60 cm/23.4 inch;
US XL–Shoulder–47.5 cm/18.5 inch;Sleeve–62.5 cm/24.4 inch;Chest–120 cm/46.8 inch;Length–61 cm/23.8 inch;
US XXL–Shoulder–49 cm/19.1 inch;Sleeve–63.5 cm/24.8 inch;Chest–124 cm/48.4 inch;Length–61 cm/23.8 inch;