The PRISM J II from Cairn is a bike helmet that allows young riders who are new to the joys of mountain biking to get started safely.

Combining durable In-mold construction, a removable liner with insect mesh, and a quick and precise knurled fit, this model is reliable and comfortable. Plus, the Aero Flow Channel ventilation system keeps your head cool.

Finally, this durable and lightweight helmet is sure to please.