Boys cotton double-layer trendy fan warm sweaterMain fabric composition: cotton size Dress length Chest width Sleeve Length 90 38 30 33 100 40. 5 31. 5 35. 5 110 43 33 38 120 45. 5 34. 5 40. 5 130 48 36 43 140 50. 5 37. 5 45. 5 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size between two sizes. Please allow 2 3cm differences due to manual measurement. 2. Please check the size chart carefully before you buy the item, if you don't know how