UVXS3400X / S3400X GOGGLES FLEX SEAL NAVY CLEAR XTR Uvex Flex Seal® Goggles are the first OTG (over-the-glass) goggles with an all-silicone body. The lightweight, cured silicone, soft body conforms to almost any facial profile and provides an exceptionally snug fitfor superior protection, even in extreme temperatures. The low-profile, wraparound polycarbonate lens is optically correct and provides a full field of vision. The Uvextreme® anti-fog coating and indirect venting system minimizes fogging. Finally, the patent-pending pivoting headband clip enables quick removal of headband from goggles to clean goggle components. Meet ANSI Z87+ and CSA Z94.3 Standards.