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.Carver 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.