|Hat Size (in)||Circumference (in)||Circumference (cm)|
|S||6-1/2 - 7"||20-1/2 - 22"||51 - 56cm|
|M||6-7/8 - 7-3/8"||21-5/8 - 23-1/4"||55 - 59cm|
|L||7-1/4 - 7-3/4"||22-7/8 - 24-3/4"||58 - 63cm|
Bell's Formula MIPS Road Helmet won't make you choose between comfort and protection while trying to maintain a budget. The Formula benefits from the same technologies that make Bell's road helmets such champions of comfort and safety. This model features MIPS impact management as well as Bell's Float Fit retention system and innovative sweat guide liner. Elegant shape, fluid aerodynamics and ample ventilation ensure the Formula's place as a classy all-rounder.
- MIPS-equipped: Multi-directional impact protection system, which is a leading slip-plane technology inside the helmet designed to reduce rotational forces that can result from certain impacts.
- Float Fit: A minimalist, lightweight fit system with an easy-to-turn rubber overmolded dial for adjustments (integrated with MIPS)
- Interior: Sweat guide pad design pulls moisture away from the brow pad and away from eyewear
Total vents: 19
Compliance: CPSC Bicycle
Construction: Fusion in-mold polycarbonate shell
Weight: 285 grams (Size M)