Product details

1. Trek's fastest, most aerodynamic helmet saves big watts and shave crucial seconds
2. An excellent ventilation system makes this aero helmet surprisingly cool and comfortable
3. The Mips Air system is light, cool and designed to help reduce rotational forces
4. The single-lace BOA® fit system is fully adjustable to provide a custom, 360° fit
5. Rubberised sunglasses docking port provides secure and easy-to-use storage
6. The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership
7. The 30-Day Unconditional Guarantee allows you to return your helmet if you're unsatisfied for any reason
8. Complies with US CPSC safety standards for bicycle helmets for persons aged 5 and over