The best value in motocross and mountain bike gogglesOunce-for-ounce, the Main Trice Goggles are the best value on the market, and feature our Variable Lens System (VLS). VLS makes your goggles compatible with both standard lenses (stock) and injection molded lenses (sold separately) within the same frame. With an expansive viewport, triple-layer foam and tear-off lens functionality, they are a heavy hitter and light on the wallet. Best-in-class viewport for unparalleled peripheral visionVariable Lens System (VLS) allows transfer of standard and injection molded lens3-layer face foam with fleece linerStrap mounted third tear-off postNon-slip silicone strapMicrofiber goggle bag includedLexan™ lens offers UV protectionMirror Lexan™ lens