Three Sizes of Knee Pads
The kids knee pads are designed in different sizes (Small: 6.7-10.2 inches; Medium: 10.2-13.0 inches; Large: 13.0-15.4 inches; Xlarge: 15.4-17.7 inches) to meet the needs of people.
Please measure the size before you buy a knee pad.
Note: Take a measurement of the leg circumference about 3.9 inches (10 cm) above the knee.