What Is The Smallest Baby Helmet?
What Is The Smallest Baby Helmet? The Schwinn Infant is the smallest baby bike helmet we’ve found. While our highly-recommended Giro Scamp fits heads as small as 45 cm, the Schwinn Infant is smaller, more narrow, and fits heads about 44 cm! What size is a small kids helmet? Helmet Size Cir. (in) Cir. (cm)