Get her the Bern Nina Helmet and let your fears (at least some of them) rest - it's sturdy Zipmold Construction is so light she'll hardly know it's on. With five big fixed vents and a built-in visor to help keep snow off her face, this helmet features a removable liner so it can be used in warmer weather as well (summer liner available separately).
Zip Mold Construction A tough Polycarbonate (PVC) shell with liquid injected Zipmold foam provides high impact protection and an amazing strength-to-weight ratio.
Summer Liner and other optional liners available separately.
Complies with CPSC, ASTM F2040, EN 1078