Elvex Sphere-X Ultimate Amber HC/PC Lens, Black Vented Frame, Adjustable Temples Features: - Excellent industrial grade protection in a contemporary angular wrap style and with wide field of vision. - Adjustable length drop temples that gently hook behind the ears to prevent slipping during work activity for better protection. - Soft, self-fitting rubber nose Bridge conforms to a wide range of bridge sizes to enhance comfort and a secure fit. - Ballistic rated* for impact protection 7x ANSI Z87+ energy. (4x Z87+ impact velocity) - Unique, lens/frame ventilation slots allows air to vent, to minimize fogging. - Tested to US Military Standard MIL-PRF-31013 Impact Test.