Yayu Men's Solid Color Denim Short Sleeve Button Front Shirts 100% Cotton 1 or 2 Sizes Up Suggested as ours are Chinese Size US Small=China Large: Length:26.38"(67cm), Chest:40.16"(102cm), Shoulder:17.52"(44.5cm), Sleeve:7.68"(19.5cm) US Medium=China X-Large: Length:27.17"(69cm), Chest:41.73"(106cm), Shoulder:18.11"(46cm), Sleeve:7.87"(20cm) US Large=China 2X-Large: Length:27.95"(71cm), Chest:43.31"(110cm), Shoulder:18.90"(48cm), Sleeve:8.07"(20.5cm) US X-Large=China 3X-Large: Length:28.74"(73cm), Chest:44.88"(114cm), Shoulder:19.69"(50cm), Sleeve:8.27"(21cm)