DESIGN & TECHNOLOGY: Sized for youth LumaLens renders premium color Thermal-formed cylindrical lens for wider viewing Venting channels in top of lens and anti-fog coating to prevent fogging for optimal view Hydrophobic and oleophobic lens coatings resist water, dirt, dust, and oil Hard coating on lens to resist scratching for unobstructed view Triple layer face foam lined with hypoallergenic microfleece Compatible with most helmets 2 year warranty