Radians Rad-Atac is a lightweight, popular style. Available in a smaller version to fit a wider range of individuals and  with a 1.7 IR filter lens to protect against accidental welders flash burn..strong.strong.class.Soft, non-slip rubber tipped temples..Wraparound single lens with integrated nose piece..Polycarbonate protective lens provides impact resistance..Rad-Atac Small has 10% smaller frame than the original Rad-Atac..Rad-Atac Low IR* has a 1.7 IR Filter Lens which protects against accidental welders flash burn..Safety Glasses meet ANSI Z87.1+ standards and provides 99.9% UVA/UVB protection..* The Rad-Atac Low IR safety glass is NOT designed to be worn as primary eye protection in welding, brazing or similar procedures