Generic Mens Cotton Stylish Short Sleeve Crew Neck T-Shirt Black US-M cotton blend Pay attention to our size, pls check the detail measurement.Smaller than US size. US XX-Small=China Medium:Length:25.59"(65cm), Bust:35.43"(90cm), Shoulder:16.14"(41cm), Sleeve length:7.09"(18cm) US X-Small=China Large:Length:25.98"(66cm), Bust:37.01"(94cm), Shoulder:16.54"(42cm), Sleeve length:7.48"(19cm) US Small=China X-Large:Length:26.38"(67cm), Bust:38.58"(98cm), Shoulder:16.93"(43cm), Sleeve length:7.87"(20cm) US Medium=China 2X-Large:Length:26.77"(68cm), Bust:40.16"(102cm), Shoulder:17.32"(44cm), Sleeve length:8.27"(21cm)