arena Spider Jr Youth Swim Goggle 80% Polycarbonate, 20% Silicone Imported Lens: polycarbonate; Strap and Seal: Silicone; Body: Silicone Low profile lens with soft silicone lens gasket for a comfortable and secure fit on a smaller or narrower face Multi-density silicone strap with easy adjustment and self adjusting nose bridge UV Protection, anti-fog lenses, and 100% PVC free China