Rating: NIOSH N95 (95% or greater efficiency against non-oil based particulates). Size: Small (EZ22S). Strap Design: First single, adjustable cloth strap with a Flexwing® and head harness for easy on/off and reduced pressure points. Shell: Collapse-resistant Dura-Mesh® shell that maintains shape in heat and humidity and keeps filter media clean. Nose Comfort: Molded nose bridge with a soft foam nose cushion; contains no metal noseband to pinch or adjust. Lining: Softspun® inner lining for all-shift comfort.