Zap Kid helmet is ideal for the sprouting skater. It is comfortable, lightweight and provides excellent protection at a great value. Kids are more daring than ever regardless of what sport they start at a young age so having a helmet like the Zap is a sure way to keep their precious noggins protected. The 6 vents, insect net and easy to fit features will satisfy even the most demanding young roller, Small in size but big in protection. CPSC certified. Size (cm) S (52-56).