Generic Mens Round Neck 3D Nature Casual Short Sleeve T Shirts cotton95% Pay attention to our size, pls check the detail measurement.Smaller than US size. US Small=China Large:Length:25.98"(66cm), Bust:39.57"(100.5cm), Shoulder:17.52"(44.5cm), Sleeve length:7.87"(20cm) US Medium=China X-Large:Length:26.38"(67cm), Bust:41.14"(104.5cm), Shoulder:18.11"(46cm), Sleeve length:8.27"(21cm) US Large=China 2X-Large:Length:26.77"(68cm), Bust:42.72"(108.5cm), Shoulder:18.70"(47.5cm), Sleeve length:8.66"(22cm) US X-Large=China 3X-Large:Length:27.17"(69cm), Bust:44.29"(112.5cm), Shoulder:19.29"(49cm), Sleeve length:9.06"(23cm)