Radians CTB2-115 Radians Cuatro Bi-Focal 4-in-1 Foam Lined Safety Eyewear with Smoke Anti-Fog Lens Radians cuatro bi-focal safety eyewear provides 99.9-Percent UV protection Removable head strap provides an adjustable goggle-like fit Features 4-in-1 foam lined, easily snap-in temples and closed cell foam insert protects against airborne dust and debris Smoke anti-fog polycarbonate lens provides impact resistance and fog control