premium protective eyewear design 3M 2840 With a unique style, the 2840 glasses are designed for comfort and convenience of the user. integrated front spoiler for better protection and a durable polycarbonate screen anti-scratch treated and fog-free Suitable for engineering; work, maintenance and repair protection against small low-energy projectiles at high speed in extreme temperatures of - 5 C to + 55 C according to EN 166: 2001 Protects against ultraviolet rays according to EN 170: 2002 anti-fog coating which reduces fogging and to increase the clarity of vision scratch resistant coating for an extended length adjustable branches durability to fit any head shape, which increases the comfort and safety Tilt glasses on many levels allowing for optimal and comfortable fit particularly mild ends glasses reducing pressure points for long-term wear for more comfort and acceptance Performance Protection: against small low-energy projectiles at high speed in extreme temperatures of -5 C to + 55 C according to EN 166: 2001 Protects against ultraviolet rays treatment: anti-scratch and anti-fog front spoiler integrated for added protection and length adjustable legs (3 positions) for comfort and perfect fit inner lining of soft branches offering even more comfort and stability Tilt adjustable lenses branches fully reclining and adjustable in length for Compatible optimal fit with masks 3M eye protection: Polycarbonate colorless, nylon frame, ends in Mount thermoplastic elastomer: Silver Transmission lum visible age: 88% Lens Standard: EN 166 eye Marking : 2C-1.2 3M 1 FT mount Marking: 3M 2840 EN166 FT CE 230.1 Weight of the pair of glasses: 32 g Conditionement: Supplied in individual bag