

The Giro Manifest is a trail and enduro mountain bike helmet built around MIPS Spherical, a two-layer foam design that lets the inner liner rotate against the outer shell to manage angled impacts. It has deep rear coverage and large vents for long climbs and hot days. It suits riders who want a light, well-ventilated trail helmet rather than a full-face. Against rivals like the Fox Speedframe or Specialized Ambush, it leans toward ventilation and comfort over maximum coverage. Owners rate it highly, praising fit and airflow.
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Owners rate the Manifest highly, with 4.8 out of 5 from 32 ratings. They praise its fit, ventilation and confidence on descents.
The Giro Manifest MIPS is a bike helmet made for trail riding. It uses the MIPS Spherical design and is intended for riding that ranges from cross-country (XC) to long enduro rides in the backcountry.
The helmet offers deep coverage and ventilation.