This stylish and trendy leather top is designed for the boys from 4 years old to 13 years old.Size Information (unit:cm):Size  4/5Y-110cm: US size 4,fit for the 4-5 years old boys whose height is about 110cmLength:44;sleeve length:41;chest:35;shoulder:29Size  6Y-120cm:US size 6,this size fit for the 5-6 years old boys whose height is about 120cmLength:47;sleeve length:43.5;chest:37.5;shoulder:30.5Size 7/8Y-130cm:US size 8,fit for the 7-8 years old boys whose height is about 130cmLength:50;sleeve length:46;chest:40;shoulder:32Size  9/10Y-140cm:US size 10-12, fit for the 9-10 years old boys whose height is about 140cmLength:53;sleeve length:48.5;chest:42;shoulder:33.5Size  11Y-150cm: US size 12-14, fit for the 11 years old boys whose height is about 150cmLength:46;sleeve length:51;chest:44;shoulder:35Size 12/13Y-160cm:US size 14-16, fit for the 12-13 years old boys whose height is about 160cmLength:59;sleeve length:56;chest:46;shoulder:36.5Kindly Note:Please consider about both age and height carefully before you place an order!If you have any question about the sizes,the quality or the other problems,please contact with our thoughtful customer service, we will offer you with all-around service at any time!