Belstaff Trialmaster Sunglasses pair durable stainless steel construction with Carl Zeiss lenses for clear, 100% UV-protected vision. Handmade details and high-grade Mazzucchelli and Japanese acetate accents deliver a refined, durable finish. Key attributes: Brown | Stainless steel | 100% UV protection | Carl Zeiss and Japanese lenses | 7-hinge construction | Beta titanium components | Hand made in Japan | Hand polished finish | High-grade Mazzucchelli and Japanese acetate accents | Dimensions & fit: Lens/Bridge/Temple: 55/18/135 mm | Composition & care: Stainless steel | Mazzucchelli acetate | Japanese acetate | Beta titanium | Carl Zeiss lenses