Macon 2.0 MIPS Bike Helmet – Bern Helmets。The Macon 2.0 is Bern’s classic skate-style lid—now 20% lighter, with a tough hard shell, EZ Fit system, and MIPS for added protection. Light, low-profile, and built to take a hit. New with Tags - New in opened package Women or Men adult size Small fits heads 52-55.5cm (elastic on inside fitment allows flex - see pic) Shell Material: ABS Thinshell • Claimed Weight: 13.3oz (375g) • Manufacturer Warranty: 1 year • Ventilation: 12 vents • Fit Adjustment: EZ-Fit The Macon 2.0 MIPS packs classic street style into a lighter, sharper, more advanced lid. It’s got a low-profile shell, MIPS for added protection against rotational impacts, and our Compass Fit system to dial things in just right. The EPS liner? That’s RibTech—built with ribbed channels that flex on impact to help take the hit. It’s visor-compatible, winter-ready with an EN1077B rating & compatible winter knit, and vented to keep things cool. From city streets to snowy slopes, this helmet’s built to roll with you all year long. How do I adjust the fit? The Macon 2.0 features our Compass Fit system so you can dial in a snug, secure fit with ease. Need to fine-tune it even more? The fit system itself can be adjusted where it connects to the EPS liner for that just-right feel.