Advanced TPU Frame Material: The goggles are designed with a flexible TPU frame that conforms to different face shapes and maintains its flexibility even in cold temperatures. These youth riding goggles have friendly design with no sharp edges and corners for boys and girls Safety Anti Slip Silicone Strap: The goggles have three wave anti slip silicone around inside of the strap ensures a secure fit when fast riding. Adjustable and elastic woven strap makes great fit for motocross,MTB or ski helmets and can fit head size for kids and teenagers Chrome Anti-Fog Mirrored Lenses: The goggels with premium tinted coating lenses,perfect to prectect the children's eyes when sunlight riding. Compared with normal lenses,our lenses with great saturation and lightness view, 100% UV400 protection Triple-layer Foam: Goggles for kids apply triple-layer face foam and fleece provides provides excellent moisture management and ensures a comfortable fit Multiple Usage: These motorcycle goggles for kids are ideal for motocross,atv,quad,dirt bike,offroad,skiing,MTB using, which are suitable for boys and girls aged 3-12