– Ultra Flexible And Comfortable Nylon Frame- Ballistic Polycarbonate Lens- Anti-Scratch , Anti-Fog Coatings- Integrated Lateral Protection- Comfortable And Non Slip Temples- Non Slip BridgeCertified to STANAG 2920 and EN172, these SWAT ballistic protection sunglasses ensure maximum protection against any event. Thanks to its non-slip bridge, its flexible temples and its ultra enveloping design, SWAT will provide you with comfort and protection.SWAT is available in smoke, silver flash and polarized.Polarized lens : V50 183 m/s (659 km/h)Ballistic Resistance STANAG 2920.The ballisitic resistance STANAG defined by NATO ensures compliance with standards ballistic protection for military of Bollé Tactical eyewear. Each lens and each screen suffer the impact of a steel cylinder equivalent to a 0.22 caliber” of up to more than 275 m / s or 990 km / h. The STANAG standards are recognized in all member countries of NATO.Mechanical risk – Low energy impact – FLow energy impact, resists a 6 mm, 0.86 g ball at 45 m/sMechanical risk- High speed particles at extreme temperatures – TThe letter T, immediately after the mechanical strength symbol, authorises use for high speed particles at extreme temperatures.Solar radiations risks: EN 172Filter protection for industrial solar radiation.Recommended for outdoor work, EN172 norm guarantee a protection of 99.99procent of ultra-violet solar radiation.Levels of application: 5-3.1 (Polarized, smoked) 5-2 (Twilight), 5-1.4 (ESP), 5/1.1-1.4 (Constrast), 5-2.5 and 5 to 4.1 (smoked )Lens color: smokedPolarized lens: technology approved for permanent wear and certified with perfect optical quality, it offers unbeatable comfort by filtering glare and reflections. Ideal for the maritime environment. Filter 99.99procent of UVA/UVB. The polarizing filter contains perfectly aligned crystals, which block horizontally polarized light. Acting like a Venetian blind, it eliminates dazzle and only lets “useful” light pass through.Polarized lenses offer incomparable comfort on water, and also for outdoor activ..