Angelaicos Unisex Long Sleeve Khaki Jackets Cotton Blend It is Asian Size and smaller than US size, Please check the size measurement carefully Chest: S:92cm M:94cm L:96cm XL:100cm XXL:106cm XXXL:110cm Shoulder: S:39cm M:40cm L:41cm XL:42cm XXL:43cm XXXL:44cm Sleeve: S:53cm M:54cm L:55cm XL:57cm XXL:59cm XXXL:62cm Length: S:44cm M:45cm L:46cm XL:47cm XXL:48cm XXXL:49cm