The PRISM II from Cairn is a bike helmet that allows riders who are new to mountain biking to get started safely.
Combining durable In-mold construction, a removable liner with insect mesh, and a quick, precise knurled fit, this model is reliable and comfortable. Plus, its 15 vents keep your head cool. The two large vents in the back allow you to insert an anti-theft device.
Finally, this durable and lightweight helmet will win you over.