This is a great button down jacket/shirt that is a casual design with a regular fit. Slight stretch in the material Measurements are approximate M: Bust 42.5”, Length 32.3”, Sleeve 21.3” L: Bust 44.9”, Length 32.9”, Sleeve 21.6” XL: Bust 47.2”, Length 33.5”, Sleeve 21.9” T11932