All the air gets swept up in the Vorttice time trial bike helmet to give you an aerodynamic advantage. Golf Ball surface creates a controlled air disturbance to limit friction and bladed Vortex Generators accelerate air off the tail for remarkable speed propulsion. Intake vent draws the air inside, moves it along the interior evacuation channels, and thrusts it out the exhaust vent to keep your head cool and sweat-free. Streamlined lens enhances speed and single-handed, SpiderLock SL retention system makes adjustment a breeze. Lightweight, sleek and breathable beyond belief, the Vorttice saves you energy, so you blow past than the competition.Textured frontal area of the helmet creates a better laminar airflow for a real advantage when it comes to speed Vortex Generators are small blades at the top of the helmet which enhance airflow off the back and energize the laminar layer for an 11% reduction in drag Featherweight design and a forward center of gravity reduce fatigue in the neck area, so the aero position can be maintained for a longer period of time In-Mold construction binds the microplastic and polystyrene together for superior durability and impact protection Front intake vent directs the air inside at high speed, moves the air around the head through internal evacuation channels, and then pushes the air out the back vent outlet -- this process wicks moisture and keeps the head extremely cool Sealed Airdry adjustment padding with an ergonomic design enhances durability, moisture-wicking, comfort and is easy to wash SpiderLock SL retention system integrates with the webbing system for super-lightweight stability and adjusts on-the-fly using a single hand Steplock Divider cam-locking device quickly adjusts strap position Vorttice PVC Lens is ventilated and reduces turbulence caused by irregularities of the face for improved aerodynamic performance Certifications: CPSC-ASTM
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