About Size
US-S(6):Shoulder---14.2" Sleeve---15.4" Chest---37" Middle Back Length---48.8"
US-M(8-10):Shoulder---14.6" Sleeve---15.8" Chest---41.7" Middle Back Length---49.6"
US-L(12):Shoulder---15" Sleeve---16.1" Chest---42.5" Middle Back Length---50"
US-XL (16):Shoulder---15.4" Sleeve---16.5" Chest---43.3" Middle Back Length---50.4"
US-XXL(20):Shoulder---16.1" Sleeve---16.9" Chest---47.2" Middle Back Length---51.2"