The FMF Replacement Lens Youth PowerBomb/PowerCore Anti-Fog is designed to offer superior vision and protection for young off-road enthusiasts. This lens is compatible with all youth PowerBomb and PowerCore goggles, providing excellent defense against UVA and UVB rays up to 400nm. Additionally, it fits 100% goggles AC1 and ST1, making it a versatile choice for different goggle models. The anti-fog feature ensures clear vision even in challenging conditions, enhancing safety and performance. Crafted for durability and maximum protection, FMF lenses are the perfect companion for any adventure on the trails.