Simpson M30 Shield - Iridium 20-OTL-NB-4XL The patent pending design allows

The patent pending design allows for full or partial coverage use to meet sanctioning body requirements while allowing the bottom portion of the balaclava to be easily pulled down to facilitate eating

and transmission tunnel can get unbearably hot

racing gauges and other products

Top Air System - Allows you to run Natural Air

Unique Hygenic-Style compartment to isolate odors

Simpson M30 Shield - Iridium 20-OTL-NB-4XL The patent pending design allowsSimpson Helmet Replacement Shields. Simpson helmet shields are offered in clear as well as stylish and functional tints. When ordering a shield for your motorcycle helmet, keep these considerations in mind: Clear shields are generally used for night or very low light conditions Amber shields provide a minimal amount of tinting that's ideally suited to overcast weather High definition blue was first used by desert racers in dusty condition, but