Mens Summer Cotton Custom Fit Short Sleeve This Is Me Tee cotton blend Pay attention to our size, pls check the detail measurement.Smaller than US size. US Large=China 2X-Large:Length:28.74"(73cm), Bust:40.55"(103cm), Shoulder:17.72"(45cm), Sleeve length:7.87"(20cm) US X-Large=China 3X-Large:Length:29.53"(75cm), Bust:42.52"(108cm), Shoulder:18.50"(47cm), Sleeve length:8.27"(21cm) US 2X-Large=China 4X-Large:Length:29.92"(76cm), Bust:44.09"(112cm), Shoulder:19.29"(49cm), Sleeve length:8.66"(22cm) US 3X-Large=China 5X-Large:Length:30.71"(78cm), Bust:45.67"(116cm), Shoulder:20.47"(52cm), Sleeve length:9.06"(23cm)