3M SmartLens Transitioning Protective Eyewear

• Photochromic lenses darken and lighten as the outdoor light changes
• Spring-adjusted temples allow for a flexible fit on narrow or wide faces
• Strong frame with magnesium alloy temples provides durability
• Soft, adjustable nose bridge and nylon brow enhance comfort
• Polycarbonate lenses absorb 99.9% UVA and B

Photochromic lenses darken and lighten as the outdoor light changes3M