Silhouette 1601/75 Optical Frame combines the brand's lightweight SPX construction with a screwless design, offering a sleek, comfortable option suited for everyday wear. Key attributes: Red | SPX | Extremely lightweight | Hypoallergenic | High wearing comfort | Screwless construction | Full rim | Square shape | Handcrafted color effects | Dimensions & fit: Temple size: 0 mm | Bridge (distance between lenses): 15 mm | International fit | Composition & care: SPX