展开Macon 2.0 cycling helmet, with ABS construction technology, the foam layer inside the helmet is separated from the hard outer shell to increase impact resistance. MIPS shock protection system. Matte black. br / Size Guide: br / Small 52.5 to 55 cm br / Medium 55 to 59 cm br / Large 59 to 62 cm br / br / Bern offers a new version of its iconic bicycle helmet, designed around the strengths that have made it a success, with classic but modern styling, reinforced protection and improved comfort. It will delight you with its well thought out design. br / The helmet has a top ventilation system and two front inlets to ensure maximum comfort. Now lighter (approx 375 g) it is equipped with MIPS technology for maximum safety. In the event of a violent impact, brain damage is reduced.