Rectangular Sunglasses

Verified claims

Shape flattery

Rectangular frames add definition and elongation to round faces.

Fit

51mm lens width and 19mm bridge fit narrow faces and higher nose bridges.

Adjustability

Acetate frame can be heat-adjusted for a snug fit on narrow faces

Hypoallergenic

Acetate frame is naturally hypoallergenic.

Care

The acetate frame requires cleaning only with mild soap and water and storage in a hard case to avoid scratches and dents.

UV protection

UV400-rated lenses block 100% of UVA and UVB rays.

Lens category

Category 3 lenses reduce sun glare for bright daylight and driving, but are too dark for twilight.

Bridge width

19 mm bridge is wider than typical 16-17 mm on similar Ray-Bans, enabling unisex fit.

Color

Taupe color offers a warm alternative in a black-dominated Ray-Ban rectangular lineup.

Material

Frame is plant-derived acetate from Ray-Ban's Bio-Based collection.

Face shape

Taupe frames soften the rectangular look for round faces.

Sizing

51mm lens and wider 19mm bridge fit narrow to medium faces of any gender.

Product record

Title

Rectangular Sunglasses

Brand

Ray-Ban

Price

192 CAD

Availability

In stock

Acetate frame durability and care

• As a plant-based material, acetate is naturally hypoallergenic, making the RB 4455F a safer choice for all-day wear if you have metal sensitivities or skin that reacts to synthetic plastics — a comfort factor that becomes more important the longer you wear them.
• Alcohol, acetone, and ammonia-based products react with acetate to create a permanent, cloudy white haze; cleaning the RB 4455F only with mild soap and water preserves the deep, polished finish that gives the frame its premium look.
• You can fine-tune the fit of the RB 4455F at home by warming the temple tips under warm tap water and gently bending them inward for a more secure behind-the-ear grip — a small maintenance skill that lengthens the useful life of the frame without a professional visit.
• Because acetate is a thermoplastic that becomes pliable with controlled warmth, the RB 4455F can be precisely adjusted by an optician for a face-specific fit, which means slipping or pinching can be corrected over time without compromising the frame's integrity.
• Though tough, acetate frames scratch and dent more easily than metal, so storing the RB 4455F in its included hard case — rather than tossing them in a bag — is the most reliable way to maintain a blemish-free surface over time.

UV protection, polarization, and lens material

• The RB4455F lenses deliver 100% UV protection, blocking both UVA and UVB radiation completely—the equivalent of UV400 rating—making them safe for extended outdoor wear without risk of cumulative eye damage.
• Classified as category 3, the lenses provide a high level of sun glare reduction with 8-18% light transmission, suitable for everyday bright conditions and driving during daylight—though they are too dark for twilight or nighttime use.

Value against similar Ray‑Ban rectangles

• At 192 CAD, the RB4455F undercuts the RB4165 Justin (222 CAD) and the women‑specific RB2186 ($220 USD), positioning it as the budget‑friendly acetate rectangular option within the Ray‑Ban lineup without sacrificing the core UV protection or frame material.
• Acetate frames usually command a premium over metal — the $220 USD acetate RB2186 versus the $130 USD metal RB3595 — yet the RB4455F at 192 CAD splits the difference, delivering an acetate frame at a price far closer to metal and lowering the barrier to entry for a warmer, tactile material.
• With the RB4165 Justin in black acetate and the RB2186 in black, the RB4455F's taupe color offers a nuanced, warm‑neutral alternative for women who want a rectangular frame that blends with earthy palettes rather than stark black — a subtle but meaningful color differentiation in a collection dominated by dark, high‑contrast frames.
• While most Ray‑Ban rectangular frames with a 51mm lens size — including the RB4165 Justin and the Classic Rectangular — use a 16–17mm bridge, the RB4455F's wider 19mm bridge provides extra nose clearance for a more comfortable fit on wider nasal bridges, keeping the same petite lens proportions.

Collection lineage and design context

• Despite being listed under women's accessories on some platforms, the RB4455F is a unisex frame — its 51mm eye width and 19mm bridge sit toward the smaller end of the Ray‑Ban size range, making it a compact rectangular option that fits narrower faces regardless of gender.
• Part of Ray‑Ban's Bio‑Based range, the RB4455F is the 'Zuri' model and uses acetate derived from renewable plant sources instead of petroleum, so the frame delivers the same polished, lightweight feel as traditional acetate but with a smaller environmental footprint.