How to Choose a Bike Helmet

Combining advanced performance and protection in a rugged, trail-ready design, the Giro Source Mips bike helmet is made to keep you cool and comfortable, even when the riding gets rowdy.
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Imported.
| Best Use | Mountain Biking |
|---|---|
| Helmet Style | Mountain Bike |
| Helmet Construction | In-mold |
| Shell Material | Polycarbonate |
| Head Circumference | S: 20-21.5 inches |
| Vents | 17 |
| Visor/Brim | Yes |
| Weight | S: 11.2 ounces |
| Gender | Unisex |
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