Deadpool Halloween costume youth /teen size M fits 9-11 year olds with average body type . Please check the exact measurements to make sure you are ordering the right size especially the height.The measurements of the costume Height-55-59" Bust-31.1" Waist-27.5" Hips- 30.1" Foot to shoulder-50” Sleeve length- 23" Age 9-11 The elasticity of the costume is flexible. please choose the right size according to your height. For overweight children, you can choose a slightly larger size (Due to manual measurement, there may be an error of 1 inch)