Adjustable eyeglass retainer headpiece

A technician's headpiece for being placed on a technician's head for receiving the technician's head in an interior of a cap of the headpiece with a front portion of said cap being approximately above the technician's nose, and for retaining eyeglasses worn by the technician, said headpiece including:

• said cap;
• an elongated, flexible, eyeglass retainer member having a proximal end portion attached to the front portion of the cap and a distal end portion for extending below a lower edge of the cap, adapted to pass about a bridge of said eyeglasses, doubling back on itself and being fastened to itself, said proximal end portion being fastened to said front portion of said cap at an attachment area on said cap so as to expose a top surface of said proximal end portion to an exterior of said cap;
• wherein said cap includes a lower-edge margin between said attachment area and a lower edge of said cap which extends over said eyeglass retainer member so that said eyeglass retainer member is at an interior of said cap at said lower-edge margin, said lower-edge margin not being substantially attached to said eyeglass retainer so that said lower-edge margin can be folded upwardly against an exterior surface of the rest of said cap.