Silhouette 5428 Illusion Nylor eyeglasses offer the perfect blend of style and performance for men and women who appreciate superior quality. Designing innovative eyewear since the early 1960s, Silhouette produces eyeglasses instantly recognizable for their tastefully understated style. Crafted in corrosion-resistant titanium for its light weight and superior tensile strength, these semi-rimless 5428 frames are hypoallergenic and comfortable. Perfect for fans of minimalism and seamless style, these frames set the standard for unisex eyewear.