Poc do blade sunglassespocs do blade sunglasses are constructed from a grilamid injection moulded dedicated sports frame this frame is lightweight and durable but also highly flexible to allow easy switching of lenses the do blades also feature a hydrophilic rubber nose piece and rubber inserts which keep them securely on your face ride safer and fasterthe lens tint has been optimised for road cycling and increases contrasts on the road surface so you can spot any imperfections holes o