front: 100% titaniumtemple: stainless steelscrewless hingesEuropean safety rim lock screws
front: sda (special deluxe acetate)temple: stainless steel combinationscrewless hinges
front: sdn-4 (nylon polymer)temple: tr-90screwless hinges
front: sdn-4 (nylon polymer)temple: stainless steel end pieces and templesscrewless hinges
front: sdn-6 (nylon polymer)temple: stainless steelscrewless hingessaddle bridge design
front / temple: tr-90screwless hingesinterchangeable bridges, end pieces, temples and temple tips
front: sdn-6 (nylon polymer)temple: stainless steel end pieces and templesscrewless hingessaddle bridge design
front: sdn-6 (nylon polymer)temple: tr-90screwless hingessaddle bridge design