Offical kids morphsuit costume the blue original kids morphsuit the perfect way to show your true colours exactly what you need for sports events school spirit parties or just messing around perfect for designing your own costume original kids costumes are perfect for halloween parties and designing your own costume as they come in 8 colours sizes that fit size based on height small 94 to 107cm medium 108 to 122cm large 41 46 123cm 137cm if in doubt go one size up high quality o