Offering optimum fit, comfort and superior optics, the Survivair Opti-Fit™ full face respirator provides a distortion-free lens with exceptional view. Lightweight construction reduces head and neck stress. Three sizes fit almost any facial type. The affordably priced respirator includes a durable silicone skirt, nosecup that prevents fogging, and five-strap suspension.Survivair, Bacou-Dalloz,, (800) 821-7236