Unko Men's HIPHOP Skull Tank Top T-shirt Polyester Fiber Made and ship from China, so size is smaller than US size US Small=China Medium:Length:25.98"(66cm), Chest:36.22"(92cm) US Medium=China Large:Length:26.77"(68cm), Chest:37.80"(96cm) US Large=China X-Large:Length:27.56"(70cm), Chest:39.37"(100cm) US X-Large=China 2X-Large:Length:28.35"(72cm), Chest:40.94"(104cm)