Smith Knowledge Turbo Fan Goggles 2019 retro Articulated knees give you plenty

Articulated knees give you plenty of wiggle room for throwing tricks or banging bumps

water-resistant textured synthetic straps

When the best is not good enough

and range to be Daytime-visible from up to 2km away

It features a robust steel barrel

Smith Knowledge Turbo Fan Goggles 2019 retro Articulated knees give you plentyThe large interior volume of the Knowledge Turbo Fan OTG accommodates a wide range of eyeglass sizes while also fueling the fog fighting performance of our patented Turbo Fan technology. Combined with our proprietary 5X anti fog inner lens, the Knowledge provides incredible anti fog performance for eyeglass wearers. Features: ChromaPop lens Two speed micro electronic turbo exhaust fan Cylindrical carbonic x lens 5X anti fog inner lens TLT lens