THE BEST VALUE IN MOTOCROSS AND MOUNTAIN BIKE GOGGLESOunce-for-ounce, the Main Bnkr 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 on the dirt while being light on the wallet. All-new design offers best-in-class viewport for unparalleled visionVariable Lens System (VLS) design allows transfer of standard and injection molded lens\' in the same frameTriple-layer face foam with fleece linerLexan™ lens offers UV protectionStrap mounted third tear-off postNon-slip silicone strapMicrofiber goggle bag includedMirror lens