Ounce for ounce, the Main Race Goggles are the best value on the market. New for 2020 is our Variable Lens System (VLS). VLS makes your goggles compatible with both standard lenses (stock) and injection formed 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. Variable Lens System™ (VLS) design allows transfer of standard and injection formed lens' in the same frame. Triple layer face foam with fleece liner. Strap mounted third tear-off post. Non-slip silicone strap. Microfiber goggle bag included. Clear Lexan™ lens. Lexan™ lens offers excellent UV protection.