Guide's Choice XL Frame:Matte Black Generous air ports on the

Generous air ports on the top work with internal air channels to provide ventilation that keeps you cool on the uphill and helps maintain your focus in descent mode

Accessory TPU nose guard for added protection

and you have a helmet that's as comfortable as it is loaded with cutting-edge design and impact protection

Ten fixed vents for consistent airflow

you'll stay cool thanks to a full 20 vents that keep the air flowing

Guide's Choice XL Frame:Matte Black Generous air ports on theProduct Details Vision Available in your choice of ChromaPop polarized or ChromaPop Glass polarized lenses ChromaPop polarized lenses cut glare and enhance color and contrast ChromaPop Glass polarized lenses cut glare and enhance color and contrast, and are highly scratch resistant Fit Integration Extra large fit, extra large coverage 8 base lens curvature offers a wraparound fit Megol nose and temple pads provide nonslip grip so glasses stay put