The best value in motocross and mountain bike goggles Ounce-for-ounce, the Youth Main Dier Goggles are the best value on the market, and feature our Variable Lens System™ (VLS). VLS makes your goggles compatible with both injection molded lenses (stock) and standard lenses 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. Key Features -Lexan™ lens -Variable Lens System (VLS) allows transfer of standard and injection molded lens -3-layer face foam with fleece liner PART# -28067-203-OS