What Our Gearhead® Experts Are Saying: “The Ratio Mips punches way above its price. It’s got Mips protection, a great fit dial I can adjust with gloves on, and solid venting. For a helmet that doesn’t try too hard, this one really delivers.”Dialed in for all-day resort riding and beyond, the Giro Ratio Mips Helmet delivers a smart mix of comfort, protection, and affordability. Its Mips technology helps reduce rotational forces in certain impacts, giving us added peace of mind without the bulk. Paired with In Form Fit System adjustability and Thermostat Control vents, the Ratio adapts effortlessly to changing conditions from bluebird groomers to surprise storm days. The in-mold construction keeps it durable season after season, and Stack Vent technology aligns with our goggles to keep them fog-free.