The DEWALT Framework Safety Glass has Foam Shield™ lining to provide a comfortable, snug fit with the added dust and debris protection of a goggle. Foam Shield™ lining. Elastic head strap provides an adjustable, secure fit. Double Duty™ temples and elastic head strap are interchangeable with easy snap on and off. Tough polycarbonate lens provides impact resistance. Meets ANSI Z87.1+ standards. Protects against harmful UV rays