Men 's new high - grade aluminum - magnesium mirror frame polarized business cycling sunglasses wind sunglassesMen's new high-grade aluminum-magnesium frame polarized sunglasses frame, the use of high-quality TAC and aluminum-magnesium frame production, fashion exquisite, first-class quality, Yi Jie durable. With high-definition visual seven features: high-definition vision, blocking glare, true color, impact resistance, comfortable visual sense, UV400 protection, anti-fatigue glare and radiation. Material: TAC, Aluminum magnesium Color: Brown, Gray Size: + L:144mm + W:138mm Accessiory: None