The FMF Anti-Fog Replacement Lens is specifically designed to fit all Youth PowerBomb and PowerCore goggles. This lens ensures superior protection against UVA and UVB rays within the spectrum of up to 400nm, providing enhanced safety and comfort during offroad adventures. Additionally, it is compatible with 100% goggles models AC1 and ST1, making it a versatile option for various users. The advanced anti-fog technology keeps your vision clear in all weather conditions, assuring you of an uninterrupted and safe riding experience. This replacement lens is an essential accessory for maintaining the performance and longevity of your goggles.