This pajamas is US Size,made of high quality.Fit well and comfortable to wear. US Size Measurement X-Small(US 0-2): Shoulder 14.1", Chest 34.6", Clothes Length 25.1", Sleeve 22.0", Pant Length 37.0" Small(US 4-6): Shoulder 14.2", Chest 36.2", Clothes Length 25.4", Sleeve 23.2", Pant Length 38.1" Medium(US 8-10): Shoulder 15.3", Chest 40.1", Clothes Length 25.9", Sleeve 24.0", Pant Length 38.1" Large(US 12-14): Shoulder 16.1", Chest 44.0", Clothes Length 26.3", Sleeve 24.4", Pant Length 38.9" X-Large(US 16-18): Shoulder 17.3", Chest 46.4", Clothes Length 27.4", Sleeve 24.8", Pant Length 39.7" Please allow 1-3cm measuring deviation due to manual measurement.If you are confused with our size,don't hesitate to contact us. The precise color varies from the real one because of the different lighting conditions and specific monitors.