Sustainable, bio-based goggle from Out Of. The Bio Project goggle is a first step towards products that don't put our winters and our beloved outdoors at risk, without compromising on performance and durability. The Frame consists of Pearlthane™ ECO TPU. A renewable source-based TPU extracted from castor oil that contains up to 46% of bio-based material. Parts like the buckles and the lens frames are made of RILSAN® CLEAR G 850 Rnew, a high performance copolyamide specifically designed for high end optical frames, that contains up to 51 % of renewable carbon.Smoke lensThe Smoke is a lens with a neutral smoked pigmentation without coating. Perfect for sunny weather conditions.Filter category: 3Transmittance of visible light: 8 %