Nuosende Men's Thin Front-zip Linen Jacket M-Bust: 39.3(in) Shoulder: 16.9(in) L-Bust: 40.9(in) Shoulder: 17.39in XL-Bust: 42.5(in) Shoulder: 17.7(in) XXL-Bust: 44.0(in) Shoulder: 18.1(in)