Happy Men's Casual Business Slim Fit Solid Color Short Sleeve Shirt Here is our real size, not US SIZE!! pls check before buying Label size Medium: Shoulder:16.54"(42cm) Length:27.17"(69cm) Bust:37.80"(96cm) Sleeve:8.27"(21cm) Label size Large: Shoulder:17.32"(44cm) Length:27.56"(70cm) Bust:39.37"(100cm) Sleeve:8.66"(22cm) Label size X-Large: Shoulder:18.11"(46cm) Length:27.95"(71cm) Bust:40.94"(104cm) Sleeve:9.06"(23cm) Label size XX-Large: Shoulder:18.50"(47cm) Length:28.74"(73cm) Bust:42.52"(108cm) Sleeve:9.45"(24cm)