Another important factor is finding the right glove for your child's age. A 5- or 6-year-old requires a glove that is 10 to 10 1/2 inches. A 7- or 8-year-old needs a glove that is 10 1/2 to 11 inches. A 9- to 12-year-old needs a glove that is 11 to 11 1/2 inches.