Frame: Graphene Black. Type: ImpactX Photochromic 2 Black. Tralyx Graphene combines Tralyx exceptional features with the world’s most revolutionary material: GRAPHENE.. Lighter than carbon but stiffer than diamond, Graphene boasts unique multifunctional molecular properties: ultra resistance, anti-scratch superiority and exceptional stability while achieving a superb semi-polished deep grey finish naturally obtained during injection moulding.. No paint is needed, irregularities and patterns in the mass are proof of the unique process, making every single piece one of a kind.