The Smith Jetstream TT is our top-performing time trial helmet, ideal for road cycling. With a lightweight, aerodynamic design, this helmet delivers maximum speed and performance. It features Zonal Koroyd® and MIPS® for energy-absorbing impact protection, so you can race with confidence. The magnetic visor makes it easy to switch between a color-enhancing ChromaPop™ lens and a clear option. Five strategically placed vents keep you cool without adding drag, so you can focus on achieving your best results.

• Zonal Koroyd® coverage for lightweight, energy-absorbing and ventilated impact protection
• MIPS® Brain Protection System reduces rotational forces caused by angled impacts to the head
• CPSC and CE EN 1078 certified
• VaporFit™ dial adjustment system provides 270-degree fit adjustment
• Low-profile Y-strap divider provides a secure fit and reduces wind noise and aerodynamic drag
• Magnetic visor with option of ChromaPop™ or clear lenses
• Five strategically placed ventilation openings for optimal airflow
• Ionic+® antimicrobial lining provides sweat-activated odor control
• Lightweight, low-bulk single-layer webbing
• Weight: (size M, MIPS®): 14 oz / 410