Generic Mens Compression Tight Pants Base Layer Running Leggings cotton blend Imported.So label is China size label Here is the size of China from Asia,due to the different sizes of the area will be different,please pay attention to check your size US Small=China Medium:Length:36.22"(92cm), Waist:35.04"(89cm), Hip:42.52"(108cm) US Medium=China Large:Length:37.01"(94cm), Waist:36.61"(93cm), Hip:44.09"(112cm) US Large=China X-Large:Length:37.80"(96cm), Waist:38.19"(97cm), Hip:45.67"(116cm) US X-Large=China 2X-Large:Length:38.58"(98cm), Waist:40.16"(102cm), Hip:47.24"(120cm)