Designed specifically for riding in sand conditions, the Main S Goggles add closed-cell vent foam to filter out dust and debris. Ounce-for-ounce, Main 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.