Oakley Airbrake Tuff Blocks Black Gunmetal MX Goggle - Clear Pedals & Pegs If you plan to use

If you plan to use this on a lithium battery

Bi-material: polypropylene and rubber

making it much lighter than anything else

lab tested built-in fracture points

3 liter capacity

Oakley Airbrake Tuff Blocks Black Gunmetal MX Goggle - Clear Pedals & Pegs If you plan to useWith high impact resistance that makes you invincible, this landmark of technology is the first ever MX design with a lens of pure Plutonite. Its the new standard of protection and it lets you take the adapt and conquer approach with Oakley Switchlock Technology, the secret to fast and easy lens changing. The view is wide open, the comfort is beyond reason and the performance leaves other goggles scrambling for second place. Switchlock Lens Technology