Measurements:
1. Use similar clothing to compare with the size.
2. Choose One Size Larger if you want loose fitting.
US M--Shoulder--37.5 cm/14.6 inch;Sleeve--57.5 cm/22.4 inch;Cuff--23 cm/9 inch;Chest--104 cm/40.6 inch;Back Middle Length--104 cm/40.6 inch;
US L--Shoulder--38.5 cm/15 inch;Sleeve--58 cm/22.6 inch;Cuff--24 cm/9.4 inch;Chest--106 cm/41.3 inch;Back Middle Length--104.5 cm/40.8 inch;
US XL-Shoulder--39.5 cm/15.4 inch;Sleeve--59 cm/23 inch;Cuff--26 cm/10.1 inch;Chest--108 cm/42.1 inch;Back Middle Length--105 cm/41 inch;
US XXL-Shoulder--40 cm/15.6 inch;Sleeve--59.5 cm/23.2 inch;Cuff--27 cm/10.5 inch;Chest--115 cm/44.9 inch;Back Middle Length--105.5 cm/41.1 inch;