
Built to Lead Every watt counts. The Z20 Aero is built with that in mind, delivering uncompromising performance, innovation, fit and comfort. With its drag-defying shape, Progressive Layering, and Integrated MIPS, this helmet provides real-world performance for riders who want to lead. Technologies: ยท Aero-Optimized Shape ยท No-Twist Tri-Glidesโข ยท X-Staticยฎ Padding ยท Sweat Guideโข ยท Lightweight Straps ยท MIPSยฎ (integrated with fit system) Construction: ยท Progressive Layering ยท Fusion In-Mold polycarbonate shell Ventilation: Overbrow Ventilation Fit System: Float Fit Race Weight: 296 grams (size M) Vents: 10 vents Certification: CPSC Bicycle - Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older Sizes: S 52 - 56 cm M 55 - 59 cm L 58 - 62 cm