Smith Optics Jetstream TT Helmet Size:Small For the most custom fit

For the most custom fit

Proof coil trailer coupler safety chains feature strong

Separate "Sidekick" organizer bag for cords

so you can stay focused on the trail ahead

Smith Optics Jetstream TT Helmet Size:Small For the most custom fitSustain 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