When it's time to ditch our responsibilities for the sweet solitude of rugged alpine trails and smooth-rolling forest loops, we find that the Giro Fixture MIPS Helmet is a stellar choice with its lightweight In-Mold construction, MIPS technology, and well-ventilated design that keeps us comfortable on long climbs and mid-summer rides. To ensure a dialed fit, the Roc Loc Sport system adjusts to the exact shape of your head with the quick twist of its rear-mounted dial.