Oakley Unisex O-Frame MX Mountain Bike Goggles Size:One Size the helmet is lined with

the helmet is lined with turbines which are 360 ̊moving discs constructed from an energy-absorbing shape and material

this fabric is as good for us as it is for the planet

1x down tube

Button closure for secure fit

Thumb Loops

Oakley Unisex O-Frame MX Mountain Bike Goggles Size:One Size the helmet is lined withSome of the winningest riders in history put their faith in the Oakley O Frame, relying on the moisture wicking comfort, wide view and impact resistant lens. F Impact resistant lens material Glare reduction and tuned light transmission of Iridium lens coating (optional) Engineered to fit securely with most helmets without compromising fit Configurable with Race Ready roll off accessory Flexible O Matter frame optimized for comfort, fit and maximized