Happy Men's Stand collar Shirt Casual Solid Long Sleeve Dress Shirt Here is our real size, not US SIZE!! pls check before buy!! Chinese Medium: Chest:37.80"(96cm) Length:26.38"(67cm) Shoulder:16.14"(41cm) Sleeve:23.62"(60cm) Chinese Large: Chest:39.37"(100cm) Length:27.17"(69cm) Shoulder:16.93"(43cm) Sleeve:24.41"(62cm) Chinese X-Large: Chest:40.94"(104cm) Length:27.56"(70cm) Shoulder:17.72"(45cm) Sleeve:24.80"(63cm) Chinese 2X-Large: Chest:42.52"(108cm) Length:28.35"(72cm) Shoulder:18.11"(46cm) Sleeve:25.20"(64cm)