3M SecureFit 3700 Overspectacles, Black Temples, Anti Scratch, IR 5.0 Grey Lens, SF3750AS BLK

This product is designed, manufactured, labeled, and packaged for sale to industrial and professional customers for workplace use; it is not intended for consumer sale or use Over The Glass (OTG) 3M SecureFit range designed to offer all-day wearability for workers wearing prescription glassess 3M's innovative SecureFit Pressure Diffusion Temple technology design features slotted ribs that provide comfortable pressure equalization. The temples flex and self-adjust to the size of wearer's head. Adjustable ratchet temples to adjust the lens for facial features and eyeglass position Soft nose bridge to improve comfort and fit Soft brow guard options available, creating more space when needed for some prescription glassess Grey IR lens filters available popular for gas welding