The Spark ski goggle is a reliable model with great performance. Ventilated frame and double lens of high optical quality will save you from fog and condensation. Outer lens in unbreakable X-PC with 100% UV-protection and inner lens in Acetate. Spark is an OTG model, so you can easily have your regular glasses under your goggles. 2-layer foam with fleece gives you high comfort. The wide silicone-treated neck strap is easily adjusted so that Spark sits as glued even under tough runs. A great model for alpine skiing and freeriding.General:- Spark is a model that many people appreciate. A flexible model that is a reliable option for alpine skiing and freeriding. Here, a comfortable fit is combined with good performance and adjustability. Spark has a double lens of high optical quality, no problems with fog or condensation. A very affordable, enjoy the winter adventure with Spark.Lens Features:- Spark has a double lens of high optical quality where the outer lens is made of unbreakable X-PC polycarbonate. The inner lens is in Italian acetate and helps you get rid of condensation and fog on the lens. Of course, with 100% UV protection. Spark has lenses in different filter category.Material:- Closest to the face of Spark, you have two layers of foam with a fleece inside for maximum comfort.Adjustability:- Keep Spark effectively in place on the helmet with the 50 mm wide adjustable and silicone treated strap. You can easily wear Spark over your regular glasses because it’s an OTG model.Features:CE Standard:- All Bliz Active products are CE-marked which means that we follow the basic health- and safety demands which can be found in the EU- Directives. You can find this manual in the product box.100% UV-Protection:- Bliz Active Eyewear protect your eyes efficiently against harmful UVA and UVB-rays.Unbreakable Polycarbonate Lens:- The lenses are made of Unbreakable Polycarbonate which are 10 times more impact resistant than plastic or glass lenses and offers the highest degree of protection.Double Lens:- Double lens for maximum anti-fogOTG - Over the Glasses:- OTG models enable you to wear your ordinary glasses with your goggles while performing sports.Ventilated frame:- Ventilated frame to avoid the lens from fogging up.2 Layer Foam:- 2 layer foam for a comfortable fit.50 mm silicone strap:- The 50mm silicone neck strap makes sure your goggles stays in place on your head.