There are no moving parts, nothing to adjust. Suited for a variety of faces. Put these on and feel the difference as they automatically adjust to provide a secure and comfortable fit each time.
| Additional Information |
|---|
| Packaging Description:1 pair |
| Item:Safety Specs |
| Lense Size:n/a |
| Shade or Magnifier # :Clear |
| Inner or Outer Lense :n/a. |
| Lense Type:n/a |
| Brand:3M |