LIMITED PRODUCTION OF 50 PIECES Features:Full Carbon fiber handmade frame and templesHand polished Carbon fibreRedtenbacher hinge system for lifetime use Comfortable and ergonomic fit Wood and stainless steel Inserts inside the templesEngraved Limited Edition serial number and model name on the temple Measures:2 base PA lenses 2mm tickTemple length: 147mmFrame total width: 152mmLens width: 57mmLens height: 36,5mmBridge: 19mmTotal wight: 37gr Materials:Recycled Carbon Fibre is used as a base material for frames. Carbon fibre is sourced from damaged sports car parts and aeronautical equipment. All decorative materials are natural and eco friendly. Care:To prevent oil buildup that could emanate from your skin, spray lens cleaner onto IMPURI microfibre cleaning cloth and wipe your frame down every day. use only non-abrasive detergents and alcohol-free sprays. Keep your IMPURI eyewear in a rigid or soft case and in a dry, cool place. Lenses:IMPURI sunglasses are equipped with high-quality PA lenses made by Carl Zeiss. They provide protection against 100% UV radiation. Our standard protection actually extends to a wavelength of at least 400 nm, and it follows applicable World Health Organisation (WHO) recommendations. Please refer to documents provided with your IMPURI eyewear. Packaging descriptionHandmade hard-shell made of recycled denim. This protective case is designed to be used and loved for many years and is meant to have separate life from eyewear.Protective soft pouchHigh quality Microfibre cleaning cloth with sewn edges and print on both sidesLetterhead certificate with master craftsman’s signature, serial number and quality control craftsman seal.Custom made aluminium IMPURI membership card with engraved purchaser’s name.