Attention: Please do not use Amazon's size table. Please refer to our Product description.<br> Sizechart<br> 1/2Chest *Length <br> XXS（7year old） 16.95in * 24.83in<br> XS (8-9year old) 18.13in * 25.61in<br> S(10-11year old） 19.31in * 26.4in<br> M（12-13year old） 20.49in * 27.58in<br> L(14-15year old) 21.67in * 28.77in <br> XL(US adult M） 22.86in * 29.95in<br> XXL（US adult L） 24.04in * 31.13in<br>