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#3 on this list
Manifest Spherical
Giro
Ball-and-socket dual-layer EPS handles rotational force without a separate liner. Best ventilation of any helmet this protective.
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#4 on this list
Ambush 2
Specialized
MIPS SL sliding pads and a shell that extends low at the temples. Fits a wide range of head shapes.
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Specs side by side
| Spec | Manifest Spherical | Ambush 2 |
|---|---|---|
| Safety Tech | Spherical Technology powered by MIPS | — |
| Ventilation | Excellent, optimized channeling | Optimized |
| Retention System | Roc Loc Trail Air | — |
| Adjustability | Indexed visor, goggle gripper | — |
| Weight Category | Mid-weight trail | — |
| Primary Use | All-mountain, enduro, aggressive trail | — |
| Maker | — | Specialized |
| Model | — | Ambush 2 |
| Protection | — | MIPS SL |
| Peak | — | Adjustable |
| Retention | — | Integrated Fit System |
What our reviewers liked and didn't
Manifest Spherical
- Superior rotational impact protection with Spherical Technology
- Exceptional ventilation for a full-coverage trail helmet
- Comfortable and stable fit, even on rough terrain
- High-quality materials and robust construction
- Excellent eyewear compatibility and goggle gripper
- Premium price point is a significant investment
- Not the absolute lightest helmet in its category
- Internal padding can get saturated with sweat on very hot days
Ambush 2
- Excellent fit for a wide range of head shapes
- Seamless MIPS SL integration, no creaks
- High level of coverage and protection for trail riding
- Effective ventilation for a full-coverage helmet
- Comfortable for all-day wear
- Premium price point
- Not the absolute lightest option
- Visor is not fully removable, only adjustable
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