Clean contours combine with a progressive injection-molded cylindrical lens to create an exceptional blend of women’s-specific style and performance. The Siren is Seamlessly Compatible with all Giro helmets and built to fit beautifully with the women’s Era helmet.
- Frame: Medium size womens frame
- Lens: Injection-molded cylindrical lens
- Designed specifically for women
- Double-layer face foam with micro-fleece facing
- Anti-Fog coating
- Seamless Compatibility with all Giro helmets