Best Aerodynamic Vents

Motorcycle Motocross ATV Helmet DOT Approved - YEMA Helmet YM-915 Motorbike Moped Full Face Off Road Crash Cross Downhill DH Four Wheeler MX Quad Dirt Bike Helmet for Adult Men Women - Matte Black,L

Outstanding Materials: Aerodynamic ABS Shell, Multi-density EPS, Reinforced Chin Strap, Quick Release Buckle..
Designed with Multiple Air Vents and Removable Inner Linings to Ensure Breathable and Comfortable Wearing Conditions..
Durable Aerodynamic Helmet Suits Atv, Mtv, Dirt Bike, Motorcycle, Mountain Bike, Touring, Dual Sports and Other Outdoor Riding Activities..
DOT Certified for Safety - Meets or Exceeds FMVSS -218 and DOT Safety Standards..
Streamlined Aerodynamic Design Reduces Wind Noise and Drag..

AH16 full face motorcycle helmets is built with lightweight aerodynamic ABS shell,DOT approved,ensures the quality and safety..
Well Vented:Full face helmet designed with multiple air vents to keep the riders cool and comfortable..
Density EPS liner:AH16 motocross helmet with a thick, high density and fully vented EPS liner, brings you a better protection as well as comfortable wearing..
Personalized color painting pattern,streamlined aerodynamic design reduces wind noise and drag while riding.
TRIANGLE full face motorcycle helmet covered with eye-catching pattern, suitable for adults, men women for outdoor riding activities.

AH16 full face motorcycle helmets is built with lightweight aerodynamic ABS shell,DOT approved,ensures the quality and safety..
Well Vented:Full face helmet designed with multiple air vents to keep the riders cool and comfortable..
Density EPS liner:AH16 motocross helmet with a thick, high density and fully vented EPS liner, brings you a better protection as well as comfortable wearing..
Personalized color painting pattern,streamlined aerodynamic design reduces wind noise and drag while riding.
TRIANGLE full face motorcycle helmet covered with eye-catching pattern, suitable for adults, men women for outdoor riding activities.

MARKET-LEADING PERFORMANCE AND PROTECTION: Engineered in Giro’s helmet test lab.
AERODYNAMIC DESIGN: TransformAir Technology reduces drag and provides aerodynamic efficiency..
INTEGRATED MIPS: MIPS Brain Protection System is integrated with the Roc Loc 5 Air Fit System for an added measure of protection in certain impacts plus market-leading fit and comfort..
VIVID SHEILD: Fully magnetic for easy on/off plus VIVID lens technology and Optics by Zeiss that increases contrast and definition while keeping colors true to life..
VENTILATION AND COMFORT: 10 Wind Tunnel vents coupled with internal channeling allow air to flow through the helmet to enhance cooling power. Easily adjust vertical position and tension with the Roc Loc 5 Air fit system..

Allows Fresh Air Ventilation and Light: Allows you to leave the vent open rain or shine.
Easy to Clean: Features removable louvers for easy cleaning.
Aerodynamic Design: Aerodynamic styling offers high flow ventilation with a design that allows you to keep it open when it’s raining, or even when you’re traveling.
UV Stabilized Construction: UV stabilized resin for years of rugged use.
Hardware Included: Mounting hardware included.
Mounts to existing 14” x 14” roof vents.

Constant airflow prevents heat build-up, lets musty air, smoke and cooking odors escape.
Made of High Density Polyethylene with maximum UV Protection.
Sleek, aerodynamic design reduces wind resistance.
The Original mounts on most popular 14 inch x 14 inch standard roof vents, and features the exclusive Zero-Leak Mounting System that eliminates the need to drill any holes in your RV's roof surface.
Six-year Limited Warranty. Angled louvers on the back of the cover allow smoke, odors, and stale air to escape.
Removable bug screen behind the louvers helps keep out insects and debris.
19.5 inch Length x 18.5 inch Width x 9 inch Height.

Shell in CAF (Carbon-Fiberglass) engineered in 2 sizes with 4-densities EPS structure developed in 4 sizes.
IVS (Integrated Ventilation System) ventilation with 5 large front vents and 2 rear extractors hollowed in the shell which direct air to the rider’s head. The central upper air intake has been strategically placed to capture maximum air flow without interference with the internal sun visor. All the air vents and extractors are adjustable.
The spoiler integrated in the shell profile maximizes aerodynamic performance and stability.
New K-5 S interiors construction is engineered to allow a stable, embracing and pressure free fit and to maximize dynamic comfort. Removable nose guard and new wind protector which reduces the noise level.
The inner of the helmet is designed to offer the highest riding comfort without any stitches in sensitive areas. All parts are easily removable and washable.