Ray-Ban Bill Summer Capsule (RB2198) is an oversized double-bridge acetate navigator — note: while spec-tagged as "square," the image shows a navigator silhouette (slightly teardrop-influenced rounded square with a flat top brow and keyhole cutout above the bridge). Solid black acetate front with smoke lavender-grey lenses. The 60 mm wide / 51 mm tall lens lands it in an X-large fit. Frame shape: Navigator (oversized rounded square, double-bridge) Rim style: Full-rim Frame material: Acetate Gender: Unisex, X-large fit Measurements: 60 mm lens width / 51.4 mm lens height / 14 mm bridge / 145 mm temple / 134 mm total width Color: Polished Black Configuration: Prescription and Non-Prescription Lens options: Single Vision, Bifocal, Progressive Coating options: Blue Light, Photochromic, Anti-Reflective, Anti-Scratch