Helmet size chart
S: Head circumference:48cm-52cm/18.9"-20.5"; Head width:16cm/6.3" (Recommendation children /Kids)
Wrist Elbow Knee Pads size chart
Size L: Fit for body weight about 55-80 kg /121-176 (pounds)
Size M: Fit for body weight about 45-55 kg / 100-120(pounds)
Size S: Fit for body weight about 22.5-45 kg / 50-100 (pounds)
Specification
Material: Multi-impact ABS Shell +EPS foam Liner
Features
Fully Adjustable Quick-Release Chin-Strap and spin dial (which can easily adjust the size of helmet according to your head circumference to get a better fit.)Since the size above is measured by hand, the size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to lighting effects, monitor's brightness / contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.