This model was developed for smaller facial features the require the ability to SEAL the eyes. The frames unique design allows the user to create. "clean eye housing" literally eliminating debris, dust, wind and back-lit sunlight from disrupting the users' field of vision. Straight temples and temple boots hug the head, keeping the frame secure and in place. Add an elastic strap that attaches to the temples through T-Peg docking and you have one of the most secure safety systems available on the market today. As with all of the SEAL-Tek Series the users has the option to wear or remove the Ultra Roam SEAL based on job or preference.