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Sustain your speed when every second counts. Our top-performing time-trial helmet, the Smith Jetstream TT has a lightweight aerodynamic design ideal for race day. Zonal KOROYD® and Mips® come together to provide energy-absorbing impact protection so you have full confidence as you maintain your momentum through the toughest sections of the course. A magnetic visor makes it easy to switch between a color-enhancing ChromaPop™ lens or a clear option. Five strategically placed vents help keep you cool without adding drag so you can put all your focus into securing your place on the podium.