SEE MORE POSSIBILITIES Ounce for ounce, the Youth Main Bnkz Spark 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 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. Featuring our Spark lens: a mirrored lens which helps improve visibility and reduce glare in bright daylight. FEATURES Variable Lens System™ (VLS) design allows transfer of standard and injection molded 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 LENS TECHNOLOGY Chrome mirror Lexan™ lens Lexan™ lens offers excellent UV protection