Upper protection Removable foam reinforcement with indirect ventilation Lower protection Ultra-comfortable and technical, Tracker provides wrap-around, fully sealed protection from? a variety of risks, making it a perennial favorite and unique in the product assortment.? Tracker has a D3 rating for protection from liquid splash and is available in 5 lenses.? This frame also?has an optional single-vision Rx lens insert.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }