| 摘要 |
Eyewear includes a half-jacket frame. A removable shield, extending from the half-jacket frame to the wearer's face, may be provided to prevent direct impingement of air and dust on the wearer's eyes. The half-jacket frame includes a left indent, a left upper lens groove adapted to receive a left lens, a right indent, and a right upper lens groove adapted to receive a right lens. The removable shield includes a left lens opening, a left detent adapted to cooperatively receive the left indent of the half-jacket frame, a left lower lens groove adapted to receive the left lens and mate circumferentially with the half-jacket frame, a right lens opening, a right detent adapted to cooperatively receive the right indent of the half-jacket frame, and a right lower lens groove, adapted to receive the right lens and mate circumferentially with the half-jacket frame. The half-jacket frame may be constructed of titanium.
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