Generic Men's Polka Dots Contrast Collar Long Sleeve Shirt Cotton Blend Imported Button closure Pay attention to our size, pls check the detail measurement.Smaller than US size. US Medium:Chest:46.5", Sleeve length:25.6", Shoulder width:19.7", Length:29.1" US Large:Chest:49", Sleeve length:26", Shoulder width:20.5", Length:29.9" US X-Large:Chest:51", Sleeve length:26.4", Shoulder width:21.2", Length:30.7" US XX-Large:Chest:53.5", Sleeve length:26.8", Shoulder width:22", Length:31.5"