* Polypropylene outer layer provides smooth lining and avoids loose fibers. 

* Embossed fringe seal avoids fluffy open layer around the edges. 

* Latex-free synthetic rubber head strap. 

* Contour design ensures the compatibility of glasses/goggles and reduces fogging. 

* Soft closed-cell nose foam and adjustable nosepiece ensures custom shape and increse the work comfort and acceptance.