Goggles 2800 for spectacle wearers, acc. to EN 166/170, clear lens, PC,Goggles 2800 for spectacle wearers, acc. to EN 166 170, clear lens, PC, Acc. to EN 166 and EN 170. Lenses made of PC with UV protection, anti scratch coating. Dark blue frame. Can be worn as over goggles over most types of corrective glasses. 4x adjustable arm length Adjustable lens angle for perfect fit Soft tip ear pieces for wearing comfort Yellow lenses filter UV radiation and blue light up to 480 nm and increase contrast even in weak light