So good they're bad! Our WX SAINT meets the ANSI Z87.1+ safety standards for high velocity/high mass impacts and optical clarity making them the perfect choice for any serious situation. The lenses also include a clear hard coating make them ultra-scratch resistant. The WX SAINT's lightweight design and rubber tipped temples provide enough comfort for you to wear all day. Need to adjust for different light or just want to switch up your look? Simply take lenses out and replace them with the ones that fit the situation.