Avenir's Sonic Junior Boy's Helmet uses a unique 360-degree headband with a dial adjuster and extra sizing pads for a custom fit for a wide range of sizes. It offers great protection with extra coverage in the rear. Plus it features 8 airy vents, a built-in visor to shade their eyes and great graphics that kids love.
Features and Information
The Sonic Junior comes in one size, which fits kids with heads sized from 48-54cm in circumference.
Manufacturer's Part Number
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