The PENTAX CLASSIC 4 is a mixed material, prescription safety glasses frame with spring hinges. The bridge and eye-wire are both made from hypoallergenic stainless steel. Clear, polycarbonate side shields are included. Meets ANSI Z87.1 standards for high mass & high velocity impact resistance. Side shields must be worn to meet ANSI Z87.1 lateral coverage protection standards. Frame case or pouch included with Rx orders.
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