MET's Rivale has long been a mainstay in their line up and is now better than ever! With a complete redesign and MIPS liner, the new Rivale MIPS continues the legacy!Redesigned classic with improved comfort, fit and ventilationNACA Vents provide incredible cooling performanceMIPS protection system improves safetyNew MET Safe-T Upsilon Retention System has wide range of adjustment and is easy to usePorts for securely storing sunglasses when not in useThe Rivale MIPS offers incredible aero performance while also being incredibly well ventilated thanks to MET's signature NACA Vents, that provide excellent cooling in even the hottest conditions without compromising how the helmet cuts through the air. Safety and comfort haven't been forgotten either, with the Rivale featuring improved fit and comfort, while the new Safe-T Upsilon retention system is easy to use and has a wide range of adjustment. A MIPS protection system is used in the Rivale for the first time and gives increased protection in the event of a crash.  The Rivale also features neat docking ports for sunglasses when they're not in use, keeping them securely in place. Stylish, comfortable and offering incredible performance, the MET Rivale MIPS is one of the best all-round road helmets money can buy.What is MIPS MIPS is the most accredited solution by independent studies and is the benchmark when it comes to managing rotational forces. Safety is the number one focus at MET and their research is unparalleled. Each year they make a significant financial investment dedicated solely to safety. MET collaborate closely with the world s best experts and the most renowned bio-mechanical engineers to ensure that their knowledge and understanding is at the forefront of helmet manufacturing. They are one of the few brands that have a full in-house testing facility. MET are able to simulate any kind of impact from not only following the certification standards but also with rotational impact testing.Size Chart: