Protective spectacles with smoke polycarbonate lenses. The user can utilize their adjustable side length along with an adjustable lens angle. The lenses provide UV385 protection against ultraviolet radiation. Anti-scratch treatment increases product durability and improved vision. Anti-fog treatment provides protection against fogging. The goggles are certified according to EN 166 and EN 172 standards. They also meet optical class 1 requirements, which guarantee high optical clarity for long-term wear, and protect their users against particles emitted with low energy according to mechanical strength F. The mechanical strength is extended by the T symbol, where protection against particles is declared at extreme temperatures from -5 °C to + 55 °C. The lens has an integrated side cover that reliably stops particles moving at low speed and an integrated eyebrow protector. Excellent compatibility with CXS Spiro respirators. Suitable for constructions, engineering, agriculture, laboratories, automotive industry.