Encon Safety Products' officially licensed NASCAR licensed safety eyewear Model 427 offers both good looks and superior protection. The glasses have a weightless frame for even the most active wearer. The soft temple and nose tips provide maximum comfort for extended wear and the 10.0 base curved lens offers wrap-around protection with an exceptional line of vision. Third-party tested to meet or exceed both the ANSI Z87.1-2010 and CSA Z94.3-2007 standards.