📏 View Size GuideSizeAgeLengthChest146 Months - 1 Year13.5"22"161 - 2 Years15.5"24.5"183 - 4 Years17.5"26"205 - 6 Years19.5"28"226 - 7 Years21.5"30"247 - 8 Years23.5"32"269 - 10 Years25.5"34"All measurements are in inches. Measurements may vary by ±0.5 inch.