There’s no reason to skimp on comfort and protection while trying to maintain a budget. The Formula benefits from the same technologies that make our road helmets such champions of comfort and safety—featuring an innovative Sweat Guide liner, No-Twist Tri-Glides, and a MIPS impact management liner, seamlessly integrated with our Float Fit retention system. Float Fit LED™ (integrated with MIPS). Fusion In-Mold Polycarbonate Shell. No-Twist Tri-Glides™. Sweat Guide™. MIPS® (integrated with fit system). Certifications: CPSC Bicycle, CE EN1078. Weight: 351 grams. Vents: 19.